Metal pipe fittings consisting of couplings, joints, connectors, unions, adapters, and manually operated metal mechanical valves; manually operated metal valves for fluid conduits and fluid systems; metal tubing; metal pipe elbows; metal pipe couplings; metal branch connectors; metal bulkhead fittings; metal expansion joints for floors and walls; flanged fittings, t's, and elbows; floor flanges; pipe hangers; all manufactured of cast or wrought metal common metals and their alloys; transportable wires of common metal ironmongery; small items of metal hardware, namely, nuts and bolts; pipes and tubes of metal, and metal safes

centrifugal pumps and saw blades; machine parts, namely bushings

plumbing, heating, and ventilation parts and fittings, namely, tubing; elbows; t's; y-fittings; union couplings; couplings; caps; adapters; air chambers; bushings; reducers; traps; venturis; branch connectors; bulkhead fittings; crosses; crossovers; eccentric couplings; expansion joints; drain fittings; flanged sink elbows; return bends; flanged fittings, t's, and elbows; closet flanges; floor flanges; connectors and adapters for soil pipe; closet elbows; pipe hangers; stack and drainage fittings all fabricated from copper, wrought copper, or cast brass or bronze or fabricated of a molded, cast, or extruded plastic; also valves, namely, gate valves, faucets, sillcocks, boiler drains, globe, ball, angle, and u-valves, stop and waste valves, check valves, butterfly valves, manufactured of cast brass, bronze or iron for use in heating, plumbing and ventilation systems and installations; and irrigation systems and parts therefor, namely, perforate and imperforate tubing, tubing fittings, clamping rings, valves, pressure regulators, filters, injectors, water distributing sprayers, spinners, and proportional feeders

pipe system components for use in pumping fluids, namely, pipe valves; fittings and spacers; tubing; elbows; t's; y-fittings; union couplings; couplings; caps; adapters; bushings; reducers; venturis; bulkhead fittings; crosses; crossovers; eccentric couplings; return bends; flanged fittings, t's and elbows; floor flanges, flexible nipples and cutoff nipples, all fabricated of a molded cast or extruded plastic