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Symptoms and Definitive Treatment of Calcaneal Spur

Patients with calcaneal spur generally suffer from sharp, stabbing pain that usually occurs in the morning when they take their first steps and start walking. Calcaneal spur pain decreases with warming but recurs after standing for a long time or changing position from sitting to standing. Calcaneal spurs are most common among runners and overweight people, and wearing shoes that do not support the foot enough also increases the risk of calcaneal spurs.
 

What is a calcaneal spur?

A calcaneal spur is a bony appendage that develops in the heel bone. The human ankle is made up of seven bones, the largest of which is the heel bone. Occasionally there is a tingling sensation in the bone that becomes painful and can interfere with walking.

The most important cause of heel pain is calcaneal spurs; Interestingly, this pain is not caused by a thorn, it is the pain that causes the calcaneal spur. These spurs are caused by inflammation of the plantar fascia. The plantar fascia is a wide band that runs from the heel to the toes.
If the fascia becomes inflamed and this inflammation persists, it can cause calcium to build up at the junction of the fascia with the heel. This abnormal calcium deposit is in the form of a small thorn-like appendage called a calcaneal spur. Calcaneal spurs are not painful in themselves, but the pain is caused by stretching of the fascia.
 

Causes and factors of calcaneal spurs

As we have said, the cause of this disease is pressure or damage to the heel tissue, which leads to inflammation of the plantar fascia and ossification of the plantar fascia. Several factors can cause this problem:
* Overweight (calcaneal spurs are more common in obese people). Sudden weight gain during pregnancy
- Flat feet.
* Biomechanical problems (abnormalities that lead to abnormal motion).
 Inflammation of the soles of the feet for any reason.
- Wearing inappropriate shoes (too high heel of shoes, tight shoes, shoes without heels or flat)
- Running (walking is less harmful than running).
- Stand for a long time.
- Tea consumption is effective both in causing primary inflammation of the plantar fascia and in the secondary deposition of calcium and the formation of calcaneal spurs.
 

Signs and complications of calcaneal spurs

Calcaneal spurs usually present with pain. The pain in the heel is vague, but sometimes it is felt as a sharp pain, and the person expresses that there is something like a needle in the heel that causes pain due to pressures such as walking. The place of pain is in the center of the heel or the inner edge; The severity of calcaneal spurs is greater in the early morning, after waking up and after resting, and decreases with walking.
This pain is very severe in the first step after a long rest. Walking on hard and uneven surfaces and carrying heavy objects can increase pain. Sometimes, pain develops spontaneously, which also remains at the break. In some cases where the disease is not yet very advanced, the person may be completely asymptomatic and the disease may be diagnosed by chance on a plain radiograph.
 

Treatment of calcaneal spurs

The affected person, due to pain when walking, tries not to put too much pressure on the affected leg; As a result, he limps, and if left untreated, causes discomfort in the lower back and knees. Therefore, heel spurs must be treated. The treatment principles for heel spurs are simple and include the following:
Rest: The first step in treating heel spurs is rest. In many cases, rest alone has eliminated even severe pain. The patient should also refrain from standing for long periods.
Weight loss: It is effective in treating heel spurs.
- Using heel pads: You can get these pads from pharmacies and use them permanently in your shoes. The pad will reduce pressure on the heel and relieve foot pain.
- Doing exercises that are effective in treating heel spurs:
A. Plantar fascia stretch: Place a wide band on the sole of the foot and under the toes and pull the two ends of the foot in the hand so that the toes are close together. Hold this position for thirty seconds. Repeat this seven or eight times a day.
 
 
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In what places should we use hearing protectors

Noise is one of the factors that affect the hearing system. Hearing protectors should be used to guard ears against this physical factor. Safety earphones should be used when exposed to noises of 85 decibels or more for 8 hours, annoying noises, or sounds such as short bursts.
 

Types of hearing protectors

Earmuffs, which are placed on the eardrum and protect the ear structure without direct contact with it.
Earplugs are those that are placed inside the external ear canal, blocking it and partially blocking the air passage.
 

Comparison of earmuff and earplug

The earmuff has fewer health problems because it is not connected to the inside of the ear. In contrast, the shared use of earplugs between people increases the possibility of transmitting microbial and fungal infections from one to another, while this is not the case with earmuffs. The earplug increases the possibility of transmitting environmental contaminants into the user`s ear and generally causes itching. The earplug is lighter and, more importantly, cheaper than the earmuff. In general, according to the mentioned points, the use of earmuff is more recommended in terms of its many positive features.
There is also a type of phone that is made of silicon and is made for each person separately, which covers the inside of the ear. This type of protector is called a stereo phone. If the volume is more than 111 dB, you should use both earmuff and earplug.
 
It is recommended that people exposed to noise use hearing protectors that absorb noise at frequencies between 511 and 4111 Hz. For other frequencies, they shouldn`t block the voice so that workers can easily hear the conversations of their colleagues and officials, while there is a significant reduction in noise pollution of loud noises.
 
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Waste and its types

Waste is all the residue from human and animal activities that is usually solid and unusable. According to the Law on Waste Management, this word refers to solids, liquids, and gases which are directly or indirectly the result of human activity and are considered useless by the producer.
Waste management is a set of coherent and systematic rules regarding the control of production, storage, collection, transportation, processing, and disposal of waste, following the best principles of public health, economy, resource protection, aesthetics, and other environmental requirements. By this definition, waste management includes all administrative, financial, legal, design, and engineering works in which the solutions to the problems of waste are left to the government by the residents. Solutions may involve a complex cross-sectoral relationship between disciplines such as political science, local and urban planning, geography, economics, public health, sociology, statistics, communications, and resource conservation, as well as engineering and materials science.
The term waste is general and includes all sources and types of different categories, compounds, and properties. Waste that should be discarded may be valuable to others or in another situation, but it is not valuable to the owner.
 

Types of waste

According to the Law on Waste Management, waste is divided into five groups, the types of which are given along with the relevant definitions:
- Normal waste: refers to all waste that is normally produced from the daily activities of humans in cities, villages, and beyond. Examples of this waste include household waste and construction waste.
- Medical waste (hospital): All infectious and harmful waste caused by hospitals, health centers, medical diagnostic laboratories, and other similar centers. Hazardous hospital waste is excluded from this definition.
- Special wastes (hazardous): All wastes that require special care due to the presence of at least one of the hazardous properties such as toxicity, pathogenicity, explosive or flammable, corrosive, and medical wastes.  Also, some normal, industrial, and agricultural wastes that need special management are considered as special wastes.
- Agricultural waste: Waste from production activities in the agricultural sector, animal carcasses (livestock, poultry, and aquatic animals), rotten or unusable agricultural products.
- Industrial waste: All wastes from industrial and mining activities and refining, oil, gas, and petrochemical industries and power plants such as chips, spills, or industrial sludge.
 
Knowledge of waste composition is necessary to evaluate and select collection equipment, processing, design programs, etc. On the other hand, to identify hazardous wastes, it is necessary to have sufficient knowledge about the nature and composition of the wastes. The ratio between different combinations of municipal waste depends on several factors, including the level of well-being of the people, people`s perception of the consumption of various materials, and the method of packaging materials.
 

On-site waste handling, storage, and processing

The handling, storage, and processing of waste at the production site before it is collected are some of the most effective elements in waste management. It is important to understand this element because it will have important effects on public health, the next effective elements, and the public perception of the waste management system. It is necessary to pay attention to the safety points in handling, storage, and processing at the waste site because some wastes are hazardous and failure to observe safety issues at different stages of handling, storage, and processing at the waste site can lead to accidents.
 

Hazardous waste

As the name implies, hazardous waste, if not properly managed, can lead to irreparable damage to humans, animals, the environment, and facilities. Due to the importance of proper and principled management of such wastes, different countries have established special rules and regulations for its management in the stages of production, storage, handling, transportation, and final disposal.
The increasing growth of chemical products, as well as the consumption of these substances in various industrial processes, is a clear sign of an industrial society. Although the use of these substances in various fields has greatly contributed to economic development, studies and experiments show that there are significant adverse effects associated with these substances. The adverse effects of hazardous waste are very different and varied. Some of these effects are short-lived and severe. Acute poisoning by hazardous chemicals is a clear example of this type of effect. Experiences from other countries show that children in the age group of 1 to 10 years are affected. Another category of health effects is long-term effects. These complications become apparent over a relatively long period and are mostly related to toxic properties, bioaccumulation, carcinogenicity, mutagenicity, and chemicals. Accordingly, the chemical composition of a waste product must be identified in terms of toxicity, carcinogenicity, adverse effects on the fetus and infant, as well as mutations and possibly other side effects. It should be noted that what makes some hazardous wastes more important than others is the extent of their use and application in various sectors of the economy.
 
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Types of leather, based on animal skin cut

Leather is a durable and flexible material that is produced with the skin of animals. The most common raw material for leather production is cowhide. It is the leather tanning process that stabilizes and resists skin proteins, especially collagen, to increase the thermal, chemical, and microbiological stability of cow skin, making it useful to various leather products.
Cow skin is made of two integrated layers of corium and grain texture. The collagen fibers in the skin`s corium are thinner and more flexible. As you move to the outer skin tissue, it becomes thicker and firmer where the fibers are more densely and tightly wrapped. The corium layer becomes thicker as the animal ages as well. For this reason, the skin of calves is thinner and softer than the skin of larger animals. The outer tissue covered by the hair can be dotted and scratched such as insect bites, scars, or signs of burns. Sometimes it causes the upper part of the outer tissue of the skin to be peeled off and become smoother to make the leather look uniform.
 
Another factor influencing the quality of the leather is the physiology of the animal`s skin (cow), which is one of the most complex issues in the field of leather. Several factors are involved in the physiology of the skin and leather produced; Nutrition, climate, habitat, and skin of different parts of the animal body affect the quality of the finished leather. The skin of the face and legs of the animals has the lowest quality and the central parts of the animal`s body (back and waist) have the best quality of leather.
 

Types of leather, based on different cuts of the cowhide

- Grain leather
- Split leather
- Suede leather
- Nubuck leather
When the skin is completely shaved with all the top texture of cow skin, it is called grain leather. Even despite skin blemishes, grain leather is more expensive and more in demand due to its high durability. The cowhide has three general categories: aniline (ink), semi-aniline, and protected leather. Aniline leathers are processed using soluble dyes to preserve the natural texture of the skin and have no pigment or surface coating. This makes them look like natural leather, but they are more sensitive to scratches and stains. Aniline leathers are coated with pigments, thus hiding more stains. Therefore, these types of leathers have a more uniform appearance and coating, and as a result, have more protection. Protected leathers have a non-leathery coating that adheres to the cow`s natural leather as protection.
The lower part of the leather, the part where the two layers of Corium and Grain meet, is introduced by different names and can be confusing. Many people refer to this layer as "genuine leather", however, the term is not used consistently. You may come across many similar terms for this layer of skin and the leather produced from it. Modified leather, embossed leather, coated leather, dyed leather, etc. are among these titles, which here we introduce as split leather.
The middle layer of the skin can be divided into even thinner split leathers and used for various applications. A polymer coating is usually used to make split leather look like grain leather, but split leather is not as strong and durable. Another application of split leather is suede leather production, in which a special polish is applied to the leather to make it uneven and velvety. Suede is sometimes confused with nubuck leather. Suede is made of the inner part of the animal skin and has soft and short villi, while nubuck is made of the outermost layer of the skin and has high strength and is more resistant to scratches. Although nubuck is more durable than suede, due to the special softness and stability of suede, it has its application.
 

How to detect synthetic leather

There are several ways to simulate and produce leather. Split leather is sometimes polished in such a way that it plays a prominent role and looks more like high-value grain leather. It is not easy to distinguish artificial leather from natural leather. Today, with the development of the polymer and textile industry, various samples of synthetic leathers have been produced that are very similar in appearance to natural leather. It needs to be tested to distinguish it, but synthetic leathers, which are currently mainly available in the bag and shoe industry, can be detected by simple methods. The first method is to pay attention to the color and model of the leather`s back. The back of synthetic leather is usually made of fabric or plastic, which can be distinguished from natural leather. This type of diagnosis is also made easier by cutting the leather. Synthetic leather is usually not stretchy, while grain leather has a very slight discoloration when bent or stretched. Another method is to heat the tested leather. Natural leather, when burned with a small flame such as a match or lighter, emits an odor similar to hair burning, while synthetic leather smells like burning plastic.
 
Another point that should be considered by consumers is that many of the terms used in the leather industry are fixed and inconsistent in different forums. The most common mistake made in this case is to use the term genuine leather. Genuine leather is mostly used to describe low-quality split leather, while many buyers assume that the term genuine leather is used in the opposite sense to counterfeit leather or fake leather. Many sellers use the term genuine leather to express the fact that their products are not counterfeit leather. This makes customers skeptical, even if the product is made of very durable and suitable leather. Therefore, the task of Ark Safety Industry as a manufacturer of safety shoes, military boots, office shoes, and hiking boots is to have a complete explanation for its customers in the field of leather used in their products.
 
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Get ready for winter conditions by wearing the right safety shoes

Even if the Occupational Safety and Health Administration (OSHA) has only set out the general requirements for cold weather protection clothing, this does not mean that protecting workers from the severe cold conditions is not in the employer`s concern. Cold weather can be an occupational hazard that can lead to injuries, workers` compensation claims, reduced work speeds, and lower performance. Although OSHA does not require employers to provide winter equipment, providing safety clothing and footwear for employees is worth the investment. Appropriate safety clothing and shoes are in a way that prevent cold air from entering the clothing in winter and waste body heat. Enables employees to work effectively in a freezing work environment. Even when road workers are on the roads and highways surrounded by drivers in winter weather, safety clothing and shoes suitable for the cold season and severe weather conditions are even more important for their safety and increase their capacity.
 
Safety clothing such as coats, overalls, and sarees should not only protect workers from the cold but should also be designed to allow them to easily carry out their duties with flexibility and freedom in movement. When choosing winter protective clothing, look for coats and jackets with features such as waterproof to protect against rain and throat protectors to prevent wind penetration to eliminate the cold. Comfortable clothes such as jeans are not a good protector in cold weather. Jeans easily absorb water from melting snow or rain and can not have much insulation. Layered clothes can also be a good choice because they trap air between the layers and warm the body more than a thick jacket or coat. Coats with removable liners enable workers to easily adjust the layers they wear depending on the situation, which can vary during a working day.
 
Winter slip protection with proper safety shoes
Slipping is one of the most common workplace hazards and often leads to workers` damages as a result of head injuries, back injuries, bone fractures, and tears. Of course, maintaining safe working conditions is the most important way to prevent these accidents. However, suitable winter shoes play a very important role in the safety of workers and the prevention of slipping and falling. Aside from the outsole of working shoes, having a great insole also plays a big role in keeping your feet comfortable throughout the day. It is important to buy the right insole for your work. Insoles have many benefits, including preventing further foot pain and fatigue.
 
Depending on the nature and environment of the workplace, safety or protective shoes may include features of a steel toe cap, composite toe cap, ergonomic sole, non-slip outsole, cold-resistant, heat-resistant, and chemical-resistant boots. Many shoes are made of grain leather. Grain leather shoes are easier to wear due to their stretch and flexibility, and the foot feels more comfortable all day long. Waterproof shoes can prevent frostbite in wet conditions, which is especially suitable for workers who often have to stay in wet places. A suitable outsole that stretches would protect workers from slipping on snow and ice. Anti-slippery soles provide reliable traction in winter conditions and are very suitable.

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Special Signs of Safety shoes

Do not miss this article if you are involved in buying safety shoes and have questions about the signs of safety shoes. In several articles, you have seen some of these codes and different signs related to safety shoes, but you do not know how to use them. Choosing the right safety shoes for your work environment is vital, and the safety shoe signs give you the important specifications and features of your shoes. It is important to know all the features of your work shoes to make sure that the shoes you use are suitable for your work environment and conditions. But do you know what the codings and signs on safety shoes say?
 
Safety shoes are usually tested according to European standards. According to these standards, the Iranian Standards Organization also relates to Iranian safety shoes. The following is the European standard number EN 20345:2011, which is equivalent to the Iranian standard 1136:
 
You may have already seen EN ISO standards in other shoes. Shoes designed before 2004 and also produced until 2004 are in accordance with EN ISO 20345: 2004, but after editing in 2011 are under EN 20345:2011.
 
SB: Abbreviation for Safety Basic, which is the standard basis for safety shoes. SB safety shoes must have a toe cap with an impact resistance of 200 joules.
  
S1: Having SB properties and having antistatic properties, energy absorption in the heel area, and resistance to fuel or oil materials
 
S2: Having S1 properties and water resistance of the shoe sole
 
S3: Having S2 characteristics and resistance to the penetration of sharp objects into the soles of the feet such as chips or nails
 
S4: Antistatic properties, energy absorption in the heel area of the shoe, resistance to fuel and oily materials, toe cap with resistance up to 200 joules, and completely waterproof
 
S5: Characteristics of S4 and resistance to penetration of sharp and sharp objects into the sole
 

Slipper safety shoe symptoms

Safety shoes slip test is classified into three categories:
 
SRA: Shoe slip test on a wet ceramic tile with a diluted soap solution such as sodium sulfate
 
SRB: Shoe slip test on flat steel with glycerol
 
SRC: If the shoe can pass both of the SRA and SRB tests
 
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How to take care of safety shoes

Safety shoes are the most important part of personal protective equipment and play an essential role in worker safety. However, daily use of safety shoes, depending on the environment and nature of the work, can make the shoes less durable. Outside environments, harsh working conditions, chemicals, mud, or corrosive materials that you come in contact with are all factors that negatively affect the performance of safety shoes. That is why they must be cleaned regularly to ensure their efficiency.
Daily maintenance of shoes is easy and anyone can do it alone. The best way to dramatically increase the life and performance of your shoes is to clean them regularly every day.
 
Here are some tips for proper care and how we can extend the life of our work shoes, stay tuned.
 
1.Do not apply too much pressure when cleaning the shoes, especially when the shoes are new!
 
2.Our feet produce heat and moisture. These are factors that can affect the durability of safety shoes (as well as the spread of bacteria that cause foot odor). Change your shoes at the end of your workday. Shoe soles should be dry. Let the soles dry in the open air! There is no need for a heat source to dry the shoes and only open-air is enough!
 
3.Always loosen the shoelaces completely before removing the shoe and use the shoehorn both at home and work, as this protects the heel part of the shoe from damage and brittleness prematurely.
 
4.Clean your shoes every day! Remove dust and seams at the top and bottom. Remove stones that are in the grooves of the sole and can cause gradual wear. You can use cleaning brushes to clean the crevices of the sole to check for signs of shoe wear (cracking, peeling in the area between the sole and the upper material, any seams).
Leather-soled shoes can only be cleaned with a damp cloth and suede shoes with a soft brush. Do not forget to always keep your shoes dry!
 
5.Always have a pair of safety shoes available! For the shoes to dry well and reduce the problems caused by excessive sweating, it is important to use a second pair of shoes.
 
6.Use a sponge soaked in warm water to remove stains that are easier to remove. To remove stains that are difficult to remove, you can dip a soft cloth in a little white vinegar and use it to clean.
 
7.To clean the leather, you can use a cotton swab soaked in water and cleansing milk and clean the surface of any dirt with slow movements.
 
8. Do not use a damp cloth to clean suede shoes! Only use brushes with plastic bristles that have good density. For stains that are difficult to clean, you can use special suede cleaners. If you do not manage to remove the stain with the mentioned items, soak a sponge cloth in some vinegar and gently wipe the stain with it.
 
9.If your job is to deal with oil stains, it is recommended to use cotton soaked in cleansing milk.
 
10. Never use strong cleaners to remove dirt or stains!
 
11. If you use work shoes in harsh and humid environments, you should use leather wax. In this way, the shoes remain flexible and waterproof for a long time. Especially in the winter when the shoes are exposed to snow and mud, try to soak them regularly in leather wax.
 
12.Do not allow shoes to dry near heat sources or in direct sunlight. This will cause them to become brittle and cracked!
 
13. Safety shoes should never be washed in the washing machine unless explicitly stated.
 
 
Proper care of safety shoes is not just a matter of beauty and hygiene, but also a matter of safety and the effectiveness of a protective standard.
Your shoes ensure your safety and protection in the workplace. Take good care of them!
 
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Features of standard workwear

Industrial work clothes are considered as one of the personal protective equipment and all employees must be present at their workplace with appropriate work clothes. Employees` work uniforms have characteristics that are provided to employees under special regulations. Workwear, as a universal covering of the body, usually protects the hands and feet against environmental conditions.
 

Characteristics and standards of industrial workwear

Work clothes should be the right size and fit for the user. Employees who work with or near machines must wear work clothes that are not open or torn. Have night vision as much as possible. It is strictly forbidden to hang chains, watches, keys, etc. on work clothes. In the workplace where there is a risk of explosion or fire, the use of drains or glasses made of solenoids, as well as other flammable materials, is strictly prohibited for the relevant employees. If working requires employees to constantly roll up their sleeves, they should wear short-sleeved workwear.
Employees working in dusty, flammable, or poisonous environments should not wear pocket or double-breasted clothing, as dust and such materials may be present. For employees who work with corrosive or harmful substances, water, and gas should not penetrate their clothing. Clothing material should be suitable for the type of substance or materials they work with. Employees working with acidic and radioactive materials must be seamless and non-perforated with special caps, shoes, and gloves made of special and impermeable material.
 
Work clothes should not be loose, especially the parts of the sleeves, and should not be so tight that the body parts are exposed when working. The sleeves should not be turned upside down or piped.
Tip 1: Workers whose clothing is contaminated with petroleum or hazardous chemicals should immediately wash or change their clothing and wash the part of the body that has been in contact with. None of the employees has the right to approach the fire, flame, or other heat sources with clothes soaked in petroleum or chemicals.
Tip 2: In case of tear, damage, or contamination with dangerous petroleum or chemical materials, you should clean it and if it needs to be replaced, inform the relevant supervisor.
Tip 3: Clothes soaked in oil or grease should be removed immediately, as it may cause skin discomfort.
 

What material should industrial workwear be made of?

Fabric material according to the working conditions and the need for the appearance of clothing in terms of resistance to shrinkage and also the lack of static electricity from a mixture of about 71% cotton and 31% polyester and weighing 320 gr / m2 to 420 gr / m2 and according to Climatic conditions and different seasons should be considered. In situations where there is a possibility of burning due to the shedding of pleats or under the influence of high heat, such as welding work clothes, the material of work clothes should be 11% cotton. To increase the strength of the fabric with a crooked texture with a high density of 2 threads and a fabric and forty-two yarns of the ring-type should be used.
To make the dye more durable and to prevent the fabric after washing, as well as to prevent the fabric from melting, reactive dyes have been used in dyeing the fabric. Durable work clothes should be produced by choosing high-quality fabric, using strong stitching, and also double seam spinning. Using the right pattern, the work clothes should be well-sewn and well-tailored, and provided in standard sizes.
 

What logo and signs should standard work clothes have?

Work clothes should be such as to indicate in which job group or unit the person wearing the dress works. The symbol can be a logo, a code, or even the color of the clothes. The following can be considered for the signs of workwear:
• The background color of the logo or the color of the clothes must be clear to indicate different units.
• The logo should be prepared by using high quality and fixed silk screen printing.
• The place of installation of the logo is on the chest or left arm.

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Safety shoes suitable for different jobs and work environments

Your health in the workplace depends on your feet. Taking care of them is a high priority for every worker. This means that choosing work footwear that fits the nature of the person`s job is inevitable. While a standard pair of safety goggles or earmuffs may cover a wide range of occupations and potential hazards, choosing the right safety footwear may require extra care to ensure that the shoes you choose meet all your needs. Accidents that occur in the workplace come in many forms for the feet. The best way to protect employees in high-risk work environments is to control and prevent accidents using engineering, training, HSE regulations, and management controls. If these controls are not possible in the workplace personal protective equipment and especially appropriate safety shoes should be used.

 

How to choose your safety shoes?

Shoes should be chosen based on the hazards in your work environment. For example, if you work in an area where you may be at risk of falling objects, choosing an ankle-protection boot does not eliminate the risk. Shoes with a steel toe cap are suitable for many hazards in different work environments, but are they the right choice for you? Taking the time to make sure what kind of shoes you choose exactly for your work environment can create a world of difference.
ASTM F2413 contains the required performance specifications for safety and foot protection shoes. This standard covers the minimum requirements for the design, performance, testing, and classification of safety footwear. ASTM F2413 valid shoes must first meet the requirements for impact and pressure resistance. Additional requirements such as foot protection, electrical conduction protection, static drop protection, and object penetration protection can then be considered.
Here are some of the most common hazards in the workplace that require foot protection. You can use this article to identify and choose shoes based on your workplace needs.

Electrical hazards

For workers who have any contact with electricity in the workplace, electrical insulating shoes are an essential part of personal protective equipment. A simple electrician or person working with high voltage circuits and machines need protection against electrical hazards. Electrically insulated shoes are produced with non-conductive and impact-resistant soles and heels. Ark offers Rima safety shoes and Pro boots with electrical insulation. Rino high voltage shoes are the type of shoes that are suitable for high voltage electricity up to 20 kV. These types of shoes prevent electrical connections and ultimately reduce the risk of electric shock.

Explosive Materials

If you work around explosives or other highly reactive or flammable materials, you will likely need electrical insulating shoes (namely ESD feature). Electrically conductive work shoes help prevent static electricity. Without this precaution, static electricity on your body can easily ignite and cause a fire or explosion. Silk, wool, and nylon socks should not be worn in this type of work environment or with this type of shoes, as these materials also generate static electricity.

Falling objects

If you are at risk of falling objects, you will need safety boots with a toe cap. These safety shoes have a toe protector, which is usually made of steel. For example, Ark Luna safety shoes with steel toe cap and Ark Nova safety shoes with a composite toe cap are among the safety shoes that can withstand an impact of 200 joules.
Sharp and cutting objects
Sharp objects on the floor of the workplace pose a serious risk to employees. Sharp objects such as nails or screws can pierce the soles of ordinary shoes and damage your foot. Object-resistant safety shoes (so-called with anti-nail soles) include a steel plate that sits in the middle of the sole and protects against the dangers of stepping on sharp objects. All Ark safety shoes can be customized with an anti-nail plate.
 

Heavy Machinery

Some work shoes have more protection along the metatarsus (the upper part of your foot). If you have ever dropped anything on top of your foot, you know how dangerous it can be to your foot. Any work involving heavy machinery, heavy loads, or hazardous conditions may require the use of metatarsal boots.
 

Cold

Working in cold conditions means dressing to keep warm, and your shoes are no exception. Thermal insulation boots are essential if you work outdoors or are exposed to extreme cold. Feet that are not properly insulated from the cold are exposed to frostbite and other cold-related hazards. Ark Rima boot with grain leather upper can protect your feet from the cold to a great extent.

Humidity

Waterproof leather boots are a popular choice when working in wet conditions. Working in a humid environment puts you at risk of getting wet. So keeping your feet dry also helps to protect them from the cold. Shoes with waterproof leather also protect against rot and fungal growth. For this problem, Ark Safety Industry also intends to produce some models, such as Openka with microfiber waterproof leather.
 

Slippery surfaces

Slip-resistant shoes are required for many types of industries. Health workers, food industry workers, metal and automotive industry workers, factory workers, etc. This list is almost endless. Slip-resistant shoes come with a sole that reduces smoothness and increases friction and prevents accidents. Ark Pro safety boots with PU-TPU outsole are a good choice for working on slippery surfaces.

Flame and molten metals

Working with molten metals carries great risks. Casting, welding, or excavation shoes are made specifically for this type of job. These shoes are designed to insulate against extreme heat or other environmental conditions. They prevent hot metals from entering the shoe seams. For this purpose, it is recommended to use safety boots with plastic soles.

Ark experts` advice on work shoes

In choosing the right shoes, several factors must be considered. You need to make sure that you feel safe and comfortable in the ankle area and that you can move well. For this reason, each model of Ark safety shoes is produced in 2 types of short legs or long legs. You also need to make sure that the feet fit snugly into the safety shoes. A suitable but loose or oversized shoe can be a danger in the workplace. Paying attention to the work environment and identifying possible dangers, as well as examining environmental conditions such as humidity, heat, the presence of coils and electrical wires, etc., is the most important principle before buying and choosing safety shoes. Always make sure that the shoes you choose are according to the instructions set by your company and for the type of work you do.
 

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Types of shoe soles and their characteristics

No shoe is complete without a sole. The sole of the shoe is the base and the main pillar of the shoe. There are different types of soles, the most common outsole in Iran is PU shoe sole, which stands for polyurethane. These materials are in the form of liquid and two components called polyol and isocyanate, which react with each other when combined and produce PU outsole.
 
Specifications of PU outsole: It has a low density that makes the shoe light. It has moderate abrasion and will not break at all if the polyol and isocyanate materials are combined properly. It has low friction strength and can be both soft and hard. PU can have two colors in different densities and is mostly used in men`s shoes.
 
Specifications of TPU: TPU is an elastomeric thermoplastic based on polyurethane, TPU is completely transparent and one of the important properties of TPU is its excellent elasticity. It has very little wear. It does not break at all and has high friction strength. Due to its weight, the lower part of the outsole is usually made of TPU and the upper part is made of PU so that it is both soft and has high friction properties and is light at the same time. Usually used in specialized safety shoes.
 
Rubber outsole specifications: Shoes with rubber outsoles are usually heavy but of good quality. These outsoles are usually used in military and mountaineering shoes. These outsoles are also used in safety shoes. It has high frictional strength and the abrasion resistance is high.
 
Specifications of PVC outsole: It is the cheapest and lightest sole of PVC shoes and is made in the form of granules. It has low friction and is produced in different grades of soft and hard. It is brittle in low temperatures and winter conditions. It is light, usually used in making slippers, cheap sandals, and shoes.
 
EVA outsole specifications: These outsoles are very light. They are in the form of granules and used more in casual shoes. Because they deform at different temperatures, they are usually combined with rubber and TPU to prevent deformation. They slip in aqueous mediums, which is why the bottom of the outsole is combined with rubber and the top with EVA. It stands for Ethylene Vinyl Acetate, which is an elastic material.
 
Leather soles: The oldest and most original shoe soles are leather soles, which are now part of the handicrafts. These outsoles are very high quality and hard because they are completely natural and handmade. These soles are usually used in handmade shoes. This cumin is very strong in absorbing foot sweat and keeps the foot cool in summer. But in winter, this shoe can not be used, because it absorbs all the water from the surface.
 
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Guide to Safety Shoes Toe Cap Selection

One of the first decisions you make when choosing work shoes or safety boots is whether the shoes have a steel, composite, or alloy toe cap. The toe cap in safety shoes is a cap on the front of the shoe that protects the toes from objects falling on the foot and prevents them from being crushed. The toe cap is paired with the anti-nail plate that is placed under the safety shoes and the shoe is resistant to the penetration of sharp objects.
While any type of toe cap provides protection and safety, the use of any material in the toe cap has its pros and cons. Here are some basic differences between different types of toe caps for different industries.
 
Composite Toe Caps
Over the past decade, composite safety shoes have become increasingly popular among workers who spend long periods in the workplace due to their lightweight and comfortable design. In the safety shoe industry, composite toe caps are often made of a combination of non-metallic materials such as carbon fiber, plastic, kevlar, or fiberglass. According to the CSA standard, composite toe caps meet the same safety requirements as steel ones. Currently, in the group of composite toe caps, plastic and fiberglass are receiving more attention due to their low price and availability.
Safety boots with a composite toe cap is ideal for workers who constantly have to go through metal detectors and security gates (such as airport workers or security personnel).
Pros:
• Less weight, which makes work shoes easier to use for a long time.
• Free of metal
• Prevents spark
• Electric and thermal insulation
Cons:
• Bulkier than other toe caps 
 
Steel Toe Caps
With a history of more than 80 years, steel toe safety shoes have been the standard of safety for workers in construction, manufacturing, and material transportation for decades. This is the best-priced and most popular option to protect your feet from accidents.
However, steel toe caps can be heavy and make workers tired during the day. It is also problematic for personnel working with high voltages because they can conduct electricity.
Pros:
• The strongest toe protector
• The toe cap is smaller than the composite ones and makes the shoe volume smaller
• Cheaper than other options
Cons:
• Heavier than alloy and composite toe caps
• Can decay or dent
• In cold weather, conveys the feeling of cold to the feet
• Conducts electricity
• Can’t be used in environments with metal detectors
 
Alloy Toe Caps
Alloy toe caps are made of lightweight materials such as titanium or aluminum or a combination of other lightweight materials. Recently, due to its lightness and comfortable design, alloy toe caps have become more popular.
Pros:
• Slimmer than steel toe caps
• 30 to 50 percent lighter than steel toe caps
• More space for the toes
Cons:
• More expensive than steel toe caps
• Not as strong as a steel ones
• Conducts electricity 
• Can’t be used in environments with metal detectors
 
Recommendation of Ark Safety Industry experts about toe caps selection
The final decision depends on your budget, job, and working conditions. Most non-metallic toe caps are used for environments where there is a possibility of electric shock. Although some users of safety shoe products want to use plastic toe caps for the lightness and comfort of their shoes, it is recommended to share issues related to your work environment with Ark Safety Industry experts when purchasing safety footwear. We will recommend the best and most suitable safety shoes in accordance with the required standards. Types of safety shoes used in the Ark Safety Industry are steel and composite caps (plastic) that comply with the standards defined by the Institute of Standards and Industrial Research of Iran. Choosing and buying safety shoes suitable for the environment and working conditions is one of the most important principles of safety and health, which is forgotten sometimes.



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How to Clean Work Boots and Safety Shoes Based on Their Material

Work boots or safety shoes are an essential part of personal protective equipment used in the workplace to reduce physical hazards. Safety shoes are used to protect our feet while maintaining and cleaning them is essential for keeping feet healthy and safe. Cleaning and monitoring of safety shoes to avoid reducing their effectiveness in protecting the feet are very important. Here are the best ways to clean shoes based on the type of material used. 

Leather

Leather is one of the most popular materials used in the exterior of safety shoes. The reasons for using leather in safety shoes are its high resistance to wear and tear, as well as the flexibility of movement that it shows during heavy work. Natural leather also absorbs moisture to keep the feet dry and comfortable during the day.
The first step in taking care of your leather shoes is to make sure your shoes are completely dry. Then it is necessary to use a shoe brush to remove dust, salt, and other sticky materials on its surface. The next step is to apply the appropriate wax or leather material and rub it on the shoe using a soft cloth. Keep doing this until the wax reaches the entire surface of the shoe and the stains disappear from the surface of the leather shoe. After that expose the shoe to the open air to dry. To keep the leather shiny, you can use waxes based on palmitoleic acid (like mink oil), which has similar properties to Vaseline. Finally, the use of the waterproof spray is recommended to protect safety shoes against snow and rain stains and help it withstand water penetration.
To remove grease stains and protein stains (such as blood or urea), use a cloth soaked in a solution of water, mild soap, and a very small amount of vinegar and smoothly wipe the area. It should be noted that in this case, to dry leather shoes, they should not be exposed to direct sunlight and heat.

Synthetic

Synthetic materials are also used in the production of safety footwear, and are composed of materials that have been manmade, rather than are natural. Synthetic materials can be treated to prevent staining, wrinkling, improve water-resistance and so forth, but how should you clean it?
We recommend removing stains and contaminants on the surface of the synthetic leather with a soft brush or cloth. Then use a mild soap solution and cold water to wash the safety shoes with synthetic leather. After cleaning, to make synthetic shoes dry, expose the safety shoes to the air, and the heat will have a positive effect on the synthetic leather construction. 

Suede

Suede is a type of leather that has a non-glossy top layer with a special finish. Suede leather is usually softer than regular leather and has less strength and durability. Due to the lower resistance of suede maintenance of it is more sensitive.
To start cleaning and maintaining the suede, use a suede shoe brush to remove any dirt and salt. Then apply a dilute solution of sodium bicarbonate, also known as baking soda, to the remaining stains and the entire surface of the suede and allow it to absorb the sunscreen over a day. Then clean the safety shoe with a cloth and remove the baking soda from the surface of the shoe. Finally, use a special waterproof spray to make your suede safety shoes more resistant to the water and weather. Glossy sprays and oils such as paraffin cannot be used to maintain the beauty and appearance of suede.

Rubber

Rubber is another material commonly used in the manufacture of safety shoes. Rubber is an excellent insulator that makes the shoe electrically resistant and has shock-absorbing properties. Although the rubber has high durability, it is not breathable and it can restrict the movement of the shoe and cause discomfort. However, the rubber is water-resistant and allows people to work in humid environments to keep their feet dry during the day. It is relatively easy to clean safety shoes with a rubber material.
Use high pressure water to clean your rubber shoes and use baking soda solution to remove dirt. The pressure of the water cleans the mud and other materials, and baking soda removes the remaining stains on safety shoes made of rubber. Care should be taken to ensure that no water enters the shoe. Water penetration into the shoe can damage the inside of the shoe. After removing dust and stains on the plastic, use a stiff brush to separate any pebbles and sand from the sole of the shoe. Scratches on plastic shoes can be removed with olive oil. Finally, expose the shoes to the air to dry.

Final advice of Ark Safety Industry experts

Before buying any type of safety shoes, it is better to check the conditions of the work environment and the place of use. It is recommended not to use suede or nubuck leather for oily, wet, and muddy environments. In addition, because leather is a natural material with a protein base, the use of leather safety shoes in environments prone to the growth of enzymes and bacteria, which may damage the structure of the leather, should be considered deeply.
Given that most Ark safety shoes are made of leather if you want to clean your work shoes or safety shoes with water, be sure to consider the amount of water you use for cleaning. Repeated soaking of leather with water causes the leather shoes to dry and crack. If you have to expose your shoes or safety shoes to too much water, remove the insoles and fill them with the newspaper. During the hours when you are not using safety shoes, placing a newspaper inside the shoe will absorb the water and moisture faster. Of course, the use of leather shoes in wet environments and high humidity reduces the life of leather shoes.

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