Exit doors must remain unlocked from the inside at all time and only side-hinged doors are permitted. Exit routes must be large enough to support the maximum permitted occupant load. An exit route must be at least seven feet and six inches tall and at least 28 winches wide. Emergency exits...
INFORMATION - The square (or rectangular) surround shape is typically used to convey equipment location, places of exit, and permitted actions. Safety Symbols When appropriate, you may use a graphic representation that conveys your message without using words. The safety symbol should “describe the...
这只是其中一小部分。以为。。。 下次会有经验了。