12 ENGINE, TRANSMISSION AND SUSPENSION PARTS FOR AUTOMOBILES, AIRCRAFTS, SHIPS, RAILWAY CARS AND/OR BICYCLES; NAMELY, ROLLERS, BALLS, BUFFERS, DAMPERS, COUPLINGS, GEARS, DRIVING BELTS, JOUNCE BUMPERS, AND METALLIC DUST COVERS; AND LAND VEHICLE PARTS; NAMELY, BUMPER RUBBERS, AND SAFETY DAMPERS IN THE NATURE OF SHOCK ABSORBERS FOR ABSORBING IMPACTS