What are the four kinds of safety warning signs?

Safety warning signs include stop signs, warning signs, indicating signs and prompting signs. 1. Prohibition sign: Prohibition sign means to prohibit or stop certain behaviors of people. 2. Warning signs: Warning signs mean to warn people of possible dangers. 3. Description mark: Description mark means that it must be observed. 4. Prompt sign: Prompt sign means to indicate the direction of the target.

Safety warning signs include stop signs, warning signs, indicating signs and prompting signs.

1. Prohibition sign: Prohibition sign means to prohibit or stop certain behaviors of people. The geometric figure of the prohibition sign is a circle with diagonal lines, in which the circle is connected with diagonal lines and is red; The graphic symbol is black and the background is white. There are 40 forbidden signs in China, such as: no flammable materials, no smoking, no passing, no fireworks, no fire extinguishing with water, no kindling, no turning, no refueling, no crossing, no riding and no climbing.

2. Warning signs: Warning signs mean to warn people of possible dangers. The geometry of the warning sign is a black triangle, a black symbol and a yellow background. There are 39 kinds of warning signs in China, such as: pay attention to safety, electric shock, explosion, fire, corrosion, poisoning, mechanical injury, heart injury, hanging objects, sticking feet, falling objects, falling, vehicles, arc light, roof caving, gas, landslide, potholes and ionizing radiation.

3. Description mark: Description mark means that it must be observed. The geometry of the indicator is a circle, a blue background and a white graphic symbol. There is a 16 indicator * * *, and you must wear safety helmet, protective shoes, safety belts, protective glasses, gas masks, ear protectors, protective gloves and protective clothing.

4. Prompt sign: Prompt sign means to indicate the direction of the target. The geometry of the prompt sign is square, green background, white graphic symbol and text. There are eight warning signs such as emergency exit, safe shelter, emergency shelter, hot work area, broken board, first aid point, first aid telephone and first aid medical station.