1. No sign.
Prohibition means prohibiting or stopping certain behaviors of people.
The geometric figure of the sign is a circle with diagonal lines, in which the circles are connected by red diagonal lines; The symbol is black and the background is white.
There are 40 forbidden signs in China, such as: no flammable materials, no smoking, no traffic, no fireworks, no water ignition, no kindling, no turning during start-up and maintenance, no refueling during operation, no crossing, no riding, no climbing, etc.
2. Warning signs
Signs mean warning people of possible dangers.
The geometry of the warning sign is a black triangle, a black symbol and a yellow background.
There are 39 warning signs in China, such as: pay attention to safety, electric shock, explosion, fire, corrosion, poisoning, mechanical injury, hand injury, hanging objects, foot adhesion, falling objects, vehicles, arc light, roof caving, gas, collapse, ionizing radiation, fissionable substances and falling.
3. Indicating signs
This sign means that it must be observed.
The geometric figure of the logo is round, the background is blue and the graphic symbol is white.
* * * There are safety helmets, protective shoes, safety belts, protective glasses, gas masks, ear protectors, protective gloves, protective clothing, etc. 16 signs.
4. Prompt signs
This sign means to indicate the direction of the target.
The geometric figure of the logo is square, green background, white graphic symbol and text.
There are eight signs such as emergency exit, shelter, emergency shelter, high temperature area, broken board, first aid point, first aid telephone and first aid medical station.
5. Supplementary signs
Supplementary signs are supplementary descriptions of the above four signs to prevent misunderstanding.
Signs are divided into horizontal writing and vertical writing. It is written horizontally as a rectangle, written below the sign, and can be connected or separated from the sign; Write vertically at the top of the sign post.
Colors of supplementary signs: vertical signs with black characters on white background, horizontal signs with white characters on red background, warning signs with black characters on white background and descriptions with white characters on blue background. /user files/8952/images/CMS/article/2022/03/% E6 % 8F % 90% E7 % A4 % BA % E6 % A0 % 87% E5 % BF % 97 . png