safety notice signs warning wear protective gloves

line brand logo cartoon diagram circle number signage advertising label sign symbol banner moving parts crush cut warning black yellow background safety signs symbols construction health danger eight hazard white accident blue board display english hazardous hazards icon icons industry information notice prevention prohibition protection regulation regulations rule rules security site work decal nosigns decals hot surdecal surface high voltage autho authorized pro prsonnel personnel corro corrosive poss co2 ammonia present burn touch please follow standard precautions wear protective gloves