aegis arm guard backstop buffer bulwark bumper coat coating collop contraceptive copyright covering crash helmet cushion cut dashboard deal disk dodger face mask fender feuille film finger guard flap foil fold foot guard fuse goggles governor guard guardrail hand guard handrail hard hat helmet insulation interlock knee guard knuckle guard lamella lamina laminated glass laminated wood lap leaf life preserver lifeline lightning conductor lightning rod mask membrane mudguard nose guard pad padding palladium pane panel patent patina peel pellicle pilot plait plank plate plating ply plywood preventive prophylactic protective clothing protective umbrella rasher safeguard safety safety plug safety rail safety shoes safety switch safety valve screen scum seat belt sheet shield shin guard skin slab slat slice sun helmet table tablet umbrella veneer wafer windscreen windshield