Safety signs are composed of safety colors, geometric figures and graphic symbols to express specific safety information. Safety signs can also be used as supplementary signs in written instructions.
(A) the classification of safety signs
Safety signs are divided into four categories: prohibition signs, warning signs, indication signs and prompt signs, and supplementary signs.
(1) Prohibition sign: Prohibition sign means to prohibit or stop people's behavior. 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 28 forbidden signs in China, such as no hip climbing.
(2) Warning board: Warning board means 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 30 warning signs in China, such as beware of electric shock.
(3) Command gesture: Command gesture means that it must be observed. There are 15 command signs * *, such as safety helmet, protective shoes, safety belt, gas mask, protective gloves and protective clothing.
(4) Prompt mark: The meaning of the prompt mark indicates the direction of the target. The geometry of the prompt sign is square, the background is green and red, and the graphic symbols and words are white. There are 13 warning signs * *, safe passages, etc.
(5) Supplementary signs: Supplementary signs are supplementary descriptions of the above four signs to prevent misunderstanding. Supplementary signs are divided into horizontal writing and vertical writing. Written horizontally as a rectangle, written below the sign, which can be connected with the sign or separated; Written vertically on the upper part of the sign post.
Color of supplementary sign: vertical writing, black characters on white background; Written horizontally, the words used for prohibition signs are white on red background, the words used for warning signs are black on white background, and the words used for indication signs are white on blue background.
These are what we know. If you want to know more warning signs,