A hazard is any agent that can cause harm or damage to humans, property, or the environment. hazards can lead to a negative consequence.
what is a mandatory sign:
A mandatory sign is a sign that says protective equipment must be worn to keep safe and not get hurt of the equipment around you like saws and welding and stuff like that (IDK)
perherpritive: of a process or treatment) occurring or performed at or around the time of an operation. (IDK)
