BOOTS(WHICH ARE SHIELDS OR COVERS TO PROTECT MOVING MACHINE PARTS AND PROTECT THE OPERATORS THEREOF, ALSO TO PREVENT LOSS OF LUBRICANT), AND BUMPERS (WHICH ARE PROTECTIVE AND SHOCK ABSORBING MEMBERS APPLIED TO MACHINERY AND OTHER PARTS AND SURFACES

SYNTHETIC RUBBER PRODUCTS-NAMELY, DIAPHRAGMS (WHICH ARE FLEXIBLE COMPONENTS OF CERTAIN CONTROL MECHANISMS, ALSO OF PUMPS, FLUID AND DIRT SEALING UNITS, ETC.), PACKINGS, GASKETS, SEALS (WHICH ARE PROTECTIVE AND LEAK PREVENTING UNITS FOR SHAFTS, HOUSINGS, ETC., APPLIED THERETO TO RETAIN LUBRICANT OR OTHER FLUID AND TO EXCLUDE DIRT OR FOREIGN MATTER)