Electrical safety posters: types of plates and graphic signs + application

Groups of basic characters

In addition to the rules for placing such images, the legislation also divides such signs into different groups depending on the direct purpose, as well as on the hazard factors of production operations.

Note! Since labor activity is of a different nature, such types should either indicate risks or regulate the actions of personnel in the event of an emergency or emergency.

Prohibition signs

Prohibition signs, respectively, indicate the presence of a hazard during work or a harmful production factor, as well as a prohibition on certain actions by personnel. Such illustrations indicate prohibitions for workers, for example, to smoke in the premises, turn on household or other electrical appliances. Otherwise, if the requirements of the plates or industrial control are violated, abnormal or dangerous situations may most likely occur. Also, such an icon can be of a warning nature.

Prohibitions must be placed in a conspicuous place, and their meaning is communicated to workers during briefings against signature in a special journal.

Special evacuation and prescriptive images

pointing elements

Indicative illustrations serve to indicate the presence of certain factors or the use of production equipment in accordance with work regulations. Such elements serve to better inform citizens about the conditions and features of the activities of certain workshops, divisions, departments or other staff units of the company. Also such a symbol. The inscription or sticker should indicate an explanation for carrying out various types of work.

Evacuation

Evacuation symbols are of a specific nature and indicate safe exit routes in the premises.In the event of a danger, emergency or abnormal situation, such signs should help workers find a safe way to exit. The obligation to produce such informational signs lies with the labor protection specialist in accordance with the specifics of the placement of such exits and rooms in the building.

Safety signs for office work

medical purpose

If there are medical units or full-time first-aid kits in special cabinets at the enterprise, special symbols indicating their location must be present without fail.

Important! What pictures should be bright and placed in a conspicuous place

Mandatory tablets

Mandatory or warning safety signs should indicate the presence of certain production factors that can lead to a hazard. Such images, as usual, have a triangular appearance and indicate the presence of specific activities in a regular room or any unit. The placement of such images is also mandatory and should take place not only at the entrance to the premises, but also directly near industrial installations.

Combined and group

Combined illustrations are mixed and can mean both the presence of a hazard and various prescriptions. They also symbolize instructions for carrying out actions in case of an emergency or emergency. Such designations are executed taking into account the specifics of the organization of labor in the company and are placed in special staff units that can use hazardous or harmful substances in their work.

Methods for making signs on film:

1. Full color printing
It is used for small circulations (from 1 to 100 pieces) of medium-sized signs, small (from 1 to 50 cm2) stickers (circulations from 1 to 1’000 pieces) and large signs with circulations from one sticker. This method is direct large-format full-color photo printing with European-made eco-solvent inks on advanced Japanese Mimaki equipment, which allows you to get a high-quality full-color image.

2. Silkscreen
It is used in the manufacture of medium circulation signs: small (in size) - from 1'000 to 100'000 and medium - from 100 to 10'000 pieces. Silk screen printing or screen printing is the process of applying an image to a film by transferring it from a stencil (silk canvas with a sign image) in a semi-automatic mode. The size of signs is also limited in size - no more than A1 format and colors - no more than 4, which is great for making almost all signs on film. In the production of signs and plates by silk-screen printing, we use imported UV-hardening (high-quality and odorless) paint of German or Japanese production on a semi-automatic screen machine of Russian assembly

3. Offset printing
It is used for very large print runs of stickers (from 10’000) with limited sticker size (no more than A4 format). This method is a printing by imprinting a sign on a film, but due to the complexity of preparing a print run, it is used extremely rarely. In the production of signs, ORACAL 640 film or its analogue close in characteristics is used

CHARACTERISTICS OF PVC FILM:

Warning signs and posters

All service personnel risk approaching a dangerous distance to live parts that are energized, without even knowing it. Warning signs and posters installed near potentially dangerous objects will help to eliminate such situations.

In such cases, the sign “STOP! voltage”, signaling the danger of contact with electric current. This poster is portable and is used in equipment with a voltage of 1000 volts and other values ​​up or down. The standard size is 150x300 mm, the configuration of the red arrow is defined in GOST 12.4.026. Along the perimeter there is a red border 15 mm wide. The letters of the inscription are black, on a white background.

Exactly the same function is performed by the sign “DO NOT CLIMB! will kill."

The "TEST DANGEROUS" poster directly indicates the danger of electric shock during the period when high-voltage tests are carried out. It is installed on the fence of the workplace. Overall dimensions 150x300 mm, a red border 21 mm wide is applied around the perimeter. On a white background, there is a red lightning and black letters of the inscription.

The same warning functions are performed by the sign "DANGEROUS ELECTRIC FIELD without protective equipment, passage is prohibited." It warns of potentially hazardous effects that a worker may be exposed to under the influence of an electric field. In such cases, personnel are prohibited from moving around the facility without protective equipment.

It is located in electrical installations with a voltage of more than 330 kV at a height of 1.5-2 m. The specific installation site is the fencing of areas with an electric field strength of more than 15 kV / m. Dimensions according to GOST - 100x200 mm, border width - 10 mm.The general background of the sign is white, the letters and border are red.

Electrical voltage WARNING signs most commonly used to warn personnel. They directly indicate the danger of electric shock and are exhibited in electrical installations of all classes and subclasses involved in power plants and substations.

The sign is an equilateral triangle with a side of 300 mm.

Such dimensions are provided for when it is installed on the doors of a room. If the sign will be placed on machines, mechanisms, used with other electrical equipment, its sides can be 25, 40, 50, 80, 100 and 150 mm. The color of the arrow and border is black on a yellow background. For its application to concrete surfaces, black paint and a stencil are used.

Requirements for the manufacture and operation of electrical safety signs

If you need to “leave” a sign on a stone, reinforced concrete or wooden surface, then the finished product, presented in the form of a film of the required dimensions with a corresponding inscription, is very problematic to use. Therefore, the required inscription - warning or prohibition - is applied with paint through a stencil. A self-adhesive label can be applied to metal, painted or other smooth surfaces.

To obtain all the necessary information regarding the installation, size and shape of signs, you must read paragraph 18.5 (Appendix PEES. The overall dimensions of information posters and signs can be increased or decreased, but in a certain ratio to the dimensions specified in GOST. Increase/decrease in multiples of two. For example: 2:1, 4:1, etc. Old-style badges can be replaced with modern counterparts as they wear out.

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Indicative and prescriptive electrical safety signs

When you need to report a specific place where work can be carried out, the state of the electrical installation, use this kind of signs:

• "Work here!" A direct indication of where it is recommended to be in the process of performing any work.
• "Grounded". Description of the state of the equipment. The electrical safety sign explains that the electrical installation is grounded.
• "Connected". A message indicating that the input contacts are receiving electrical current. And you can’t get in without shutting down, you can’t repair it!
• "Live parts". Message about specific elements of the electrical installation that are energized.
• "Rotating Mechanisms". Such signs are used to indicate the danger zone of rotation of stationary machines - milling, turning, grinding.
• "High voltage. Don `t open!". This sign can be classified as a warning sign. But it also carries an indication of what cannot be done, prescribes certain limits of behavior, beyond which it is absolutely impossible to go.
• "The line is energized." The state of the power line at the moment is characterized.
• "Get in here!" Pointer to where you need to climb to get to your workplace.
• "Get up here!" Like the previous sign, directs along a safe route.
• "Come here!" The sign indicates the direction of travel to be followed when moving through dangerous territory.

The dimensions of the plate for the sign are 100x100 or 80x200. Usually this is a black inscription inside a rectangle on a white background.

Thus, understanding what the tablet that caught our eye tells us about, we can save our lives and health, not get into places where we don’t need to. Electricity - invisible, yet has the same danger as earthquake, flood, strong wind gusts

And you should always be careful when interacting with him.

Classification

Safety signs can be seen in the form of portable plates, posters, stencils, as well as symbols printed on the surface of the electrical installation body or fence

It is important to understand the meaning inherent in them - protection. They require appropriate behavior where they are established, they symbolize rules that cannot be violated under any circumstances.

When they are applied to the housing or enclosure of an electrical installation, they are subject to specific requirements.

Depending on their purpose, all safety signs are divided into the following types:

• Stationary;
• pointing;
• Forbidding;
• prescriptive;
• Portable;
• Warning.

Safety signs for electrical installations

27.10.2016

In the modern world, cases of emergency situations related to electricity, which lead to serious injuries, have become more frequent.

And this is not due to the fact that we are not warned about the presence of any high-voltage devices nearby, but because we do not notice the safety signs due to inattention.

In fact, we live surrounded by a large number of warning signs, not only related to electricity. It remains only to give them special meaning and know their decoding.

Safety signs there are several types: warning, forbidding, prescriptive, instructive. According to the principle of installation, they are both portable and static.

warning signs

note

The purpose of such posters is to warn about the presence of current-carrying elements under high voltage at a close distance. The dimensions of the posters are constant - 280 * 210 mm.

Warning signs include:

“STOP. VOLTAGE": Warning of possible electric shock. It is used in powerful electrical installations of both power plants and substations.

Also, such a sign is often placed on temporary fences near current-carrying parts in closed switchgears, when blocking passages to prohibited areas, as well as on cameras adjacent to workplaces.

In open switchgears, such posters are used when performing work from the ground. They are hung out on the ropes that define the workplace, or on the structures closest to the current-carrying elements.

“DO NOT GET IN. WILL KILL!": Warning of the existing danger when climbing structures that lead to current-carrying parts. Such signs are located on objects adjacent to the structure intended for lifting personnel.

"TRIAL. LIFE THREATENING": warning of possible electric shock during any high voltage test. Such signs are hung out in the preparatory period for testing on devices and fencing of live parts.

prohibition signs

The role of prohibition posters is to completely prohibit any actions related to switching devices. The size of such images is 240*130 mm or 80*50 mm.

"DO NOT TURN ON. PEOPLE WORK”: no power supply to the workplace. It is used in electrical installations, the voltage of which can be either less or more than 1000 V. These signs are placed on the following objects:

• disconnector drives;
• separator drives;
• load switch drives;
• keys and remote control buttons;
• switching equipment: automata, knife switches, switches (not more than 1000 V).

"DO NOT TURN ON. LINE OPERATION”: indication of the prohibition of supplying voltage to the working line. The scope is similar to the previous sign. The difference lies in the fact that the posters are placed on switching devices, which, in the event of an error, supply voltage to overhead and cable lines.

"DON `T OPEN. PEOPLE WORK”: prohibition of compressed air or gas from entering the working area. Used in electrical installations of power stations/substations. Such signs are hung on valves and levers that are located on air ducts and pneumatic actuators.

In case of accidental opening of these structures, compressed air may be supplied to the working area or even actuation of switches / disconnectors. Posters are also located on various pipelines (hydrogen, carbon dioxide, etc.).

), which can cause tremendous harm if they are mistakenly opened.

Mandatory signs

The role of these posters consists of directing personnel to safe places to work. Such signs are produced in two sizes: 250*250 mm and 100*100 mm.

“WORK HERE”: direct reference to the workplace. Scope of application – electrical installations of power stations/substations. Such a poster is posted directly at the workplace, as well as in open switchgears in the area of ​​\u200b\u200bthe passage behind the fence.

“GET IN HERE”: Indicates a safe way to get to an elevated position.

index poster

"GROUNDED": designation of the inadmissibility of applying voltage to the area of ​​the grounded section of the electrical installation. These posters are available in two sizes: 240*130 or 80*50 mm.

Such signs are placed on the drives of disconnectors, separators, load switches. After all, it is precisely when they are accidentally turned on that voltage is applied to the grounded part of the electrical installation.

In addition, the posterEARTHED” hung out on the buttons and remote control keys.

Materials of safety signs

All signs and plates that are presented on our website are made (at least) in 3 ways on various materials with a choice of sizes:

Signs on a self-adhesive film are very convenient to use, because. they can be easily glued to any smooth surface, having previously removed the siliconized substrate. The advantages of such a material are obvious - a wide operating temperature range (from -40°C to +80°C), service life at outdoor facilities - at least 3 years, reliable polyacrylate adhesive that provides permanent adhesion

SELF-ADHESIVE FILMTo learn more

Signs on plastic are reliable and relatively inexpensive. Such a sign can be attached to any (preferably flat) surface: to a wall or fence - with self-tapping screws or nails, to a grate - using clamps or wire, to a smooth surface (for example, on a door) - with double-sided tape. According to the standard, we use PVC plastic with a thickness of 2 mm (European or Russian production), however, you can order a sign on plastic of any thickness from 0.5 mm to 100 mm

PLASTIC PVCTo learn more

Such signs are made on the basis of galvanized metal or polymer-coated metal (depending on the manufacturing method) with a thickness of 0.7-0.8 mm. Galvanized sheet is a sheet that has undergone a special anti-corrosion treatment by zinc plating. As a result of this processing, the sheet acquires the properties of stainless steel. Despite the fact that the thickness of the ferro-zinc layer on the surface of the sheet is only a few micrometers, the sheet is able to resist the harmful effects of the environment almost indefinitely.

METALTo learn more

Reflective signs are used both in dark rooms and on the street at night. The surface of a reflective sign works like a mirror - the light of headlights or a flashlight is reflected from the surface of such a sign, greatly improving its readability. The basis of such a sign can be a self-adhesive PVC film, PVC plastic 2 or 4 mm, as well as metal

REFLECTIVE MATERIALSTo learn more

Photoluminescent signs are expensive and only needed to indicate escape routes in the event of a fire or other emergency in which it is necessary to see the sign in complete darkness. For more information about photoluminescent signs manufacturing options (materials and sizes) of signs, read our special article "Overview of photoluminescent signs"

PHOTOLUMINESCENT MATERIALSTo learn more

Warning

Safety warning posters are designed to inform people about approaching an area or equipment where the possibility of electric shock exists. The following signs belong to this type of information plates.

1. A poster with this inscription is hung out at the test site for electrical installations under high voltage. The place of work has a special fence on which this safety sign is installed.
2. Alerts personnel and unauthorized people about the possibility of electric shock to a person when touching current-carrying elements of equipment or electrical networks that are powered by life-threatening voltage.
3. This symbol warns of the presence of life-threatening voltage on various electrical installations and equipment. It is the most common of all electrical safety warning posters.
4. Triangular security sign for permanent placement. It is installed on the doors of various power supply facilities and warns of the presence of voltage that is dangerous to human life.

All warning signs and electrical safety posters can be stationary and portable, as well as prohibitory ones.

Equipment layout

When carrying out repair or maintenance work, for example, on an electrical installation or other equipment, it is necessary to follow the rules of industrial safety on the part of the working personnel, power engineer or engineer. Electrical safety requires the application of special markings on the equipment, which should symbolize warning other personnel about the work being carried out and, accordingly, the presence of a danger of electric shock or another factor. Such markings should have a pronounced red color and an underlying hazard or warning icon. Also, such markings should be accompanied by a warning label.

In the production of safety signs, we use plastic from several manufacturers:

one.Super-thin SuperSlim plastic from ZENOFOL-PRINT
This material is a solid PVC plastic with a transparent protective film on both sides. Made by extrusion. Sheets have high strength, light transmission, resistance to environmental and mechanical damage, moisture and chemicals, high resistance to UV rays. There is a possibility of recycling. High-quality surface finishes, optimum surface characteristics, and graded tensile strength provide the best printing and molding results for a wide range of products. A wide range of processing options includes - almost all types of printing, thermoforming, cutting, drilling, folding, bending, stitching, cutting edges, corrugated, embossing, embossing, perforating, gluing with dispersed, solvent adhesives and hot melt adhesives, welding

2. PVC plastic 2-4mm brand "UNEXT" from United Extrusion
More durable plastic. It is used for the manufacture of round marking tags, signs, plates, posters and stands, signboards, evacuation plans, slinging and warehousing schemes, traffic patterns and other products. Detailed characteristics of this type of plastic are given below.

prohibition action posters

The sign "WORK UNDER VOLTAGE do not close again" is used to prohibit repeated manual closing of overhead line circuit breakers after they have been automatically turned off. Such actions must be coordinated with the work manager.

These electrical safety posters must be posted on the control keys that are part of the overhead line switches. They are hung out when performing repair work under voltage.The standard size of the poster is 100x500 mm, with a red border 5 mm wide running along the perimeter. Letters of the inscription in red are applied on a white background.

Poster “DO NOT TURN ON! People are working” is portable. It prohibits applying voltage to the line in all cases. It is hung out on buttons, keys and drives for controlling switching equipment. When it is turned on, the voltage will necessarily fall on the line, so this should not be done in any case. These posters are used in electrical installations with voltage not only up to 1000 volts, but also above this value.

The dimensions of the poster are standard - 100x200 mm, with a border around the perimeter 5 mm wide. The inscription uses red letters on a white background.

Portable poster “DO NOT POWER ON! work on the line” prohibits the supply of voltage to the line. It is also hung out on the control elements of the switching equipment of electrical panels, when turned on, voltage can be applied to the line. The inscription is applied in white letters on a red background without a border. Overall dimensions are standard - 100x200 mm.

Prohibition signs "DO NOT OPEN people work" are also portable. They are hung on valves and gate valves that shut off the air supply to pneumatic switching equipment. An error when opening these devices can serve as an impetus to turn on the equipment on which work is being done. This mark is also applied to gas cylinders, as well as hydrogen or oxygen pipelines, the opening of which can cause injury to workers with serious negative consequences. The size of the badge is standard, with a red border around the perimeter.

The labor protection store offers you two types of photoluminescent fire safety signs:

Type 1:
Such photoluminescent safety signs are installed in the premises of institutions, organizations, enterprises with a one-time stay of less than 100 people. Type 1 photoluminescent signs are made on the basis of Oracal self-adhesive film by applying a photoluminescent layer with special luminous paints. Such signs are inexpensive, but have a drawback - a short afterglow duration (15-20 minutes after the light goes out)

Type 2. Full compliance with GOST:
Such photoluminescent safety signs are installed in the premises of institutions, organizations, enterprises, with a one-time stay of more than 100 people; in the premises of institutions, organizations, enterprises with permanent residence of people; in rooms with the presence of harmful substances; explosive and fire hazardous premises, mines, metro, etc. Photoluminescent signs of full compliance with GOST 12.2.143-2009 and GOST 12.4.026-2015 are made on a certified light-accumulating film. The certificate and test results of photoluminescent film can be found here

Additionally:
Photoluminescent materials can be applied to both plastic (plastic photoluminescent signs) and metal sheets (metal photoluminescent signs)

Posters as a means of protection

Bright color graphics with explanatory inscriptions or symbols are called posters or safety signs. They have a certain geometric shape: rectangular, triangular, square.

Posters are needed to warn both workers and casual people about the potential danger posed by electrical installation equipment.Some posters directly prohibit the performance of certain actions, others carry an informational load, others allow, instruct to work.

To make posters or signs catch the eye, contrasting or signal colors and their combinations are used for the background and inscriptions: red / white, blue / white, black / white, black / yellow

The document applies to any means of protection used by organizations of various forms of ownership - both state-owned enterprises and private estates, especially if the voltage in electrical installations is above 1000 V.

The main document in which you can get information about posters and safety signs on electrical safety is SO 153-34.03.603-2003. It is called "Instructions for the use and testing of protective equipment used in electrical installations"

Working personnel involved in work in electrical installations must be provided with protective equipment, including posters, and explained how and where to use them in order to ensure the safest working conditions. Portable signs should be included in the inventory arsenal with which field teams are armed.

Like other means of protection, signs and posters need proper storage, transportation, and permanent ones must be in proper condition, that is, clean, dry, without damage, with well-read inscriptions.

Posters and signs are made in accordance with GOST. Unlike tools and clothing, they do not need to be marked, numbered or otherwise marked.

Full list of posters of the first part:

The second part is here.

• Armature Vessels-2 – Safety poster.jpg
• Balloon Gas Supply-3 – Safety Poster.jpg
• Petrol Saw-1 - Safety Poster.jpg
• Petrol Saw-2 - Safety Poster.jpg
• Petrol Saw-3 - Safety Poster.jpg
• Explosion Fire Safety-1 – Safety Poster.jpg
• Explosion Fire Safety-4 – Safety Poster.jpg
• Explosion Fire Safety-5 – Safety Poster.jpg
• Exterior Lights_Steering-2 - Safety Poster.jpg
• Sling-1 Choice - Safety Poster.jpg
• Gas Welding-3 – Safety Poster.jpg
• Gas Cylinders-1 – Safety Poster.jpg
• Gas Cylinders-2 – Safety Poster.jpg
• Gas Cylinders-3 – Safety Poster.jpg
• Details Equipment Timber-3 – Safety Poster.jpg
• Chiseling Drilling-3 - Safety Poster.jpg
• Road Marking Vertical-1 - Safety Poster.jpg
• Road Marking Horizontal-1 - Safety Poster.jpg
• Covered Arc Welding-1 - Safety Poster.jpg
• Covered Arc Welding-2 - Safety Poster.jpg
• Covered Arc Welding-3 - Safety Poster.jpg
• Reinforced Concrete Structures-4 – Safety Poster.jpg
• Protective Potential Equalization-2 - Safety Poster.jpg
• Protective Equipment-1 - Safety Poster.jpg
• Sign Alarm-3 - Safety Poster.jpg
• Earthing System Classification-1 - Safety Poster.jpg
• Wheels Tires Engine-3 - Safety Poster.jpg
• Computer Security-1 - Safety Poster.jpg
• Computer and Security-2 - Safety Poster.jpg
• Stairs Separate Works-4 - Safety Poster.jpg
• Rolled metal-2 - Safety poster.jpg
• Strapping Cargo Engagement-2 - Safety Poster.jpg
• General Safety Precautions-1 - Safety Poster.jpg
• Single Bucket Excavator_Earthwork Safety-1 - Safety Poster.jpg
• Single Bucket Excavator_Earthwork Safety-2 - Safety Poster.jpg
• Single Bucket Excavator_Earthwork Safety-3 - Safety Poster.jpg
• Single Bucket Excavator_Earthwork Safety-4 - Safety Poster.jpg
• Burns Poisoning Frostbite-6 - Safety Poster.jpg
• Crane-5 Danger Zone - Safety Poster.jpg
• Electrical Safety Organization-1 - Safety Poster.jpg
• Electrical Safety Organization-2 - Safety Poster.jpg
• Electrical Safety Organization-3 - Safety Poster.jpg
• Basic Requirements-1 - Safety Poster.jpg
• Special Conditions-4 - Safety Poster.jpg
• Stop Bleeding-3 - Safety Poster.jpg
• Shutdowns in Electrical Installations with Voltage Above 1000V-1 - Safety Poster.jpg
• Shutdowns in Electrical Installations with Voltage Above 1000V-2 - Safety Poster.jpg

Forbidding

The very name of such posters defines their main goal - this is to impose a ban on any manipulations with switching devices (knife switches, switches, and so on) so that during electrical work someone does not accidentally supply electricity to the power supply network of the electrical installation. Consider each of the prohibition signs in order.

1. The sign indicates an area where there is a strong electric field that is dangerous to life. Passage through such a zone without special protective equipment is strictly prohibited. A sign is installed on open switchgears (OSG) with a voltage of more than 330 kV and an electric field strength of more than 15 kV / meter. Placement of the poster: fencing of the zone at a height of at least 1.8 meters.
2. The poster is posted on switching devices such as switches, buttons, keys, and so on. The sign prohibits the supply of voltage until the end of maintenance or repair work. In the absence of switching elements, the poster is installed near the removed fuses. It is used to ensure electrical safety at electrical installations with voltages up to 1 kV and above.
3. The function and location of this poster is no different from the previous safety sign. The area of ​​use is underground cable and open overhead lines for the supply of electrical energy, on which preventive or repair work is carried out. The poster prohibits any manipulations with switching devices until the end of the work and the removal of the poster.
4. This prohibition poster is posted on keys that are designed to control switches on high-voltage lines (VL).Functionally, the sign establishes a ban on erroneous manual power-on of a high-voltage power line, at the time of maintenance or repair work on it, which could lead to electric shock to people.

The entire list of electrical safety signs above is prohibitive, as it imposes a ban on certain actions. Posters can be both portable and stationary, installed on a permanent basis.

Overview of Electrical Safety Warning Signs

When it is dangerous to approach nearby live parts, such signs are posted (in the form of stationary posters and plates, or drawn on the body of the electrical installation):

Stop! Voltage!" A portable sign warning that it is dangerous to approach the electrical installation. The inscription in black letters on a white background.
"Kill! Don't get in!" Climbing inside the room or shield is prohibited.
"A test is underway! Don't come!" They are hung out directly when carrying out work related to high voltage.
"Electric field. High danger. Passing without means of protection is prohibited!

Prohibition of movement near high-voltage installations to avoid remote electric shock.
"Electrical installation under voltage! Be careful." The sign is posted on electrical equipment and installations of various classes to prevent electric shock

It can also be applied with paint on the surface of concrete.

Conclusions and useful video on the topic

Variants of posters and signs:

Application examples:

The use of protective equipment is a necessary requirement of safety, thanks to which the health of people is preserved, the risk of electric shock is eliminated.Bright posters placed in the right places make it possible to quickly understand what can or cannot be done, where exactly to work, what exactly to do.

They should not be neglected, at least in order to save one's own life.

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