Metal working machines and tools, namely, metalworking machine tools; chemical processing machines and apparatus, namely, press machines, agitating machines, drying machines, absorbing machines, mixing machines, dust collecting machines, sintering machines, calcining machines, cleaning machines, sorting machines, granulating machines, extracting machines, emulsifying machines, kneading machines, roasting machines, disintegrators, reaction machines, partial condensers, separating machines, grinding mills, dissolution machines and strainers; machine elements not for land vehicles, namely, hydraulic torque converters, reduction gears, toothed wheels or gears, fluid couplings, valves for pumps, ball valves being parts of machines, gaskets being parts of engines, butterfly valve, diaphragm valve, gate valve, gauge valve, angle valve, lab cock valve, needle valve, rotary valve, stop valve, swing check valve, ball check valve, ball foot valve, strainer, water feeding valve, constant flow valve, automatic valve, control valve, pinch valve, multi port valve, quick drain valve, constant pressure valve, back pressure valve, pump control valves and servo-valves

Drying apparatus for chemical processing, namely, dryers for removal of water vapor compressed air and gases, industrial dryers for heating and dehumidifying and distillers; steamers for chemical processing, namely, steam accumulators, steam generators, steam heating apparatus for industrial purposes and steam superheaters for industrial purposes; evaporators for chemical processing; heat exchangers for chemical processing; water purifying apparatus; bathtubs; tap water faucets; level controlling valves for water tanks and medical fluid tanks; waste water purification treatment tanks for industrial purposes; septic tanks for industrial purposes; waste water purification tanks for household purposes; septic tanks for household purposes; installations for decomposing and processing purposes, especially the deodorizing and drainage of liquid waste from factories and marketplaces, namely, bioreactor; installations for decomposing and processing purposes, especially the deodorizing and drainage of waste mud from factories and marketplaces, namely, waste mud cutback installations; parts of sanitary installations as plumbing fittings, namely, ball valves for water pipes, and metallic mixer valves for water pipes

Non-metallic minerals for building or construction; plastic building materials, namely, plastic pipe supports, plastic wall panels, plastic landmark poles, plastic tiles, plastic floor boards; synthetic building materials, namely, non-woven textiles made of synthetic fibers for use in the building industry, synthetic wall panels, synthetic landmark poles, synthetic tiles, synthetic floor boards, synthetic flooring materials or wall-claddings; building or construction materials of plaster, namely, plaster; building timber; building stone; construction materials, namely, a nonmetal synthetic sub-floor membrane for residential and commercial soundproofing use

Valves of plastic not machine parts; butterfly valves of plastic not for machine elements; plastic bottle stoppers for industrial packaging containers; plastic lids and caps for industrial packaging containers; water-pipe valves of plastic being other than machine parts; plastic valves being other than machine parts for gas water heaters for household use

Repair and maintenance of chemical processing machines and apparatus