I don't know what sizes the signs are

Safety production warning signs, also known as safety production warning signs. Today, I will mainly take you to understand the various information of warning signs.
According to the Guidelines for Safety Signs and Their Use, safety signs are signs used to express specific safety information, and are composed of graphic symbols, safety colors, geometric shapes (borders) or text. Safety signs warn workers of dangerous conditions in the workplace or the surrounding environment, and guide people to take reasonable behavior signs.
Safety signs can remind staff to prevent dangers, so as to avoid accidents; When danger occurs, it can instruct people to flee as soon as possible, or instruct people to take correct, effective and effective measures to contain the harm. Not only should the type of safety sign be consistent with the content of the warning, but also the setting position should be correct and reasonable, otherwise it is difficult to really give full play to its warning role.
Setting of safety signs
(1) The safety sign should be set in an obvious place related to safety, and ensure that people have enough time to pay attention to the content it represents.
(2) Safety signs established in a specific location should be firmly installed to ensure that it does not create a danger, and all signs should have a solid structure.
(3) When the safety sign is placed on a wall or other existing structure, the background color shall be in contrast to the main color on the sign.
(4) For those safety signs that display information that is no longer useful, they should be removed from the setting place immediately, which is especially important for signs that warn of special temporary dangers, otherwise it will cause observers to ignore and interfere with other useful signs.
There are national standards for the style of warning signs.
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