Composite ceramic materials of all kinds, namely, engineered ceramic and composite materials for the hardening and preservation of metal; [ ceramic glazings in the nature of a dry chemical preparation for use in the manufacture of ceramics; ] chemicals used in industry and science, other than adhesives and glue; [ unprocessed artificial resins, unprocessed plastics; tempering and soldering preparations; ] metal hardening preparations, namely, silicon carbide and chemicals for use in the harde...

ceramic machine parts, namely, mechanical seals, valves, bearings, nozzles, faucet washers, machine indexers, wear segments, and liners