warning sign for industrial. caution and warning for welding area

font text line brand diagram presentation document advertising logo label cartoon number banner handwriting circle signage screenshot writing warning sign industrial caution welding area wfor everyone allowed enter requires adequate personal protective equipment needed remind people accident alarm alert arc attention banner beware careful caution construction danger dangerous exclamation fire flash harmful hazard health icon industrial industry information label light mark mask message metalwork notice protective precaution prohibition protect protection risk safety secure sign smoke spark sticker stop symbol vector warn weld area workshop zone