potable drinking water infrastructure products, namely, metal pipes and metal valves and pipe fittings of metal for water distribution and return; commercial water infrastructure products used by towns and municipalities to transport potable drinking water from water utility companies to residential, commercial and industrial users, namely, metal pipes and metal valves and pipe fittings of metal for water distribution and return; manually operated metal valves; metal pipe couplings and joints; metal pipe fittings; metal pipe muffs; metal pipes; metal water pipes; metal hoses for plumbing use; metal pipe fittings and couplings; metal pipe connectors; metal supports for piping; metal threaded pipe fittings and pipe nipples; metal pipe flanges and pipe hangers; manually operated metal valves; metal pipe outlets; gasketed metal pipe couplings and fittings, manually operated metal check valves and metal pipe line strainers for use in trapping foreign material, all being parts and fittings for metal tubes, conduits and piping; pipe clamps; metal security devices, namely, locking mechanisms for preventing unauthorized access to fire protection apparatus; metal pipe fittings, namely, gas service stop cocks; metal push-in couplings and connections for use in fluid distribution systems; brass and iron pipe fittings; plumbing equipment and parts thereof, namely, brass, iron, and steel plugs, unions, union couplings; metal pipe couplings, namely, branch connections; service boxes and increasers and reducers therefor, used to increase or reduce the flow of a pipe, service box shut-off rods, service box repair lids of metal, service clamps of metal, water meter yokes of metal, meter box covers of metal; t's, namely, metal pipe fittings used to split or direct the flow of water in more than one direction or in another direction; iron gas stops, metal gas meter connections, metal gas meter swivels, metal gas service t's and metal plugs therefor, metal gas safety nipples and metal plugs therefor, metal gas-pin off t's, metal built-in valves, metal slip joint t's, metal hose couplings and metal bushings check valves, metal pipe elbows, metal service t's and metal plugs therefor, metal safety nipples and metal plugs therefor, metal angle valves, metal stop and drain valves, metal ball valves, metal flush valves, metal self closing valves and faucets and parts thereof, metal laboratory valves, metal corporation stops, metal curbs stops, metal adapter nipples, metal line stops, copper pipe and fittings thereof, metal split repair sleeves, metal lubricated plug stops, metal gate valves and parts thereof, indicator posts of metal; valve boxes of metal; tapping sleeves of metal; compression couplings and connections of metal for use on gas, oil, water, steam, and other fluid conducting lines; metal manually-operated soft seated gas valves; metal gate valves, metal check valves, metal plug valves, metal gas stops, and metal ball cocks; metal pipe clamps, namely, side outlet service clamps, pipe repair clamps, and connecting clamps for gas and water distribution systems; metal automatic shut-off valve to prevent excess flow of air, gas, or liquids to the atmosphere, or excess flow between pressure vessels, receivers and tanks; metal butterfly valves; manually operated metal check valves; water flow control equipment, namely manually operated metal valves used to control the flow of fluids; metal marine hardware, namely, wall thimbles; eccentric metal valve plugs, not for machines, and parts and fittings therefor; metal pipe connectors and metal pipe fittings and couplings; metal supports for piping; metal pipe outlets; manually operated metal valves; metal pipe fittings, namely, a metal housing unit sealed about a pipe to repair and replace sections of pipe; metal pipe fittings, namely, metal self tapping service tees and metal gas service stop cocks