Safety signs are divided into four categories, they are

Safety signs are divided into four categories: (b)

1. Traffic signs, no traffic signs, warning signs and warning signs

B. Prohibition signs, warning signs, command signs and prompt signs

Expand knowledge:

Safety signs are divided into four categories: prohibition signs, warning signs, indication signs and prompt signs. Now the situation is described as follows:

1, prohibition sign

No sign means to prohibit or prevent people from doing something. (Note: The graphics are black, and the background color of forbidden symbols and words is red. )

2. Warning signs

Warning signs mean that people should pay attention to possible dangers. (Note: graphics, warning symbols and fonts are black, and the background color of graphics is yellow.)

3. Description mark

Signs mean to tell people what they must obey. (Note: the figure is white, indicating that the background color of the sign is blue. )

4. Indicating signs

The meaning of the indicator is to remind people of the direction of the target. Including 7 fire tips (note: the background color of fire tips is red, and the text and graphics are white).

Safety identification definition:

Safety identification refers to the use of signboards, colors, light signs, sound signals and other means to indicate the existence of information or to indicate safety and health. The audience of the signboard is people who may come into contact with the scene. Therefore, the installation position of the signboard is particularly important. If it is installed in a position that is difficult to effectively identify or identify, the safety sign will lose its warning significance.

Safety sign color:

1, red indicates prohibition, stop, fire fighting and danger.

Prohibited, stopped and dangerous devices, equipment or environment are marked in red. Such as prohibition signs, traffic prohibition signs, fire-fighting equipment, stop buttons and operating handles of parking and braking devices, limit position scales on instrument panels, exposed parts of rotating parts of machines, strips and characters of liquefied petroleum gas tankers, danger signal signs, etc.

2. Yellow indicates caution and warning.

Devices, equipment or environments that need warning are marked in yellow. Such as warning signs, traffic warning signs, road traffic signs, pulley inner wall and its protective cover, grinder cover inner wall, stair front steps, protective railings, warning signal flags, etc.

3. Blue indicates the instructions and regulations that must be observed. Such as indicator signs, traffic signs, etc.

4. Green means traffic, safety and providing information, and traffic or safety conditions can be marked with green. For example, it indicates traffic, machine start button, safety signal sign, etc.