Warning signs point out easily overlooked dangers in and around the workplace. Avoid accidents and keep employees safe by clearly identifying hazardous equipment situations. This can include heavy equipment, moving machine parts, powered vehicles, etc. Choose an NMC sign and you will choose the most durable sign in the industry protected by our liquid laminate Sign Muscle™—for free! Any sign can be customized, so if you need something more specific, give us a call today for your custom quote.