Packing, stopping and insulating materials; flexible pipes and tubes not of metal, flexible pipes, not of metal; fittings for pipes, not of metal; pipe muffs, not of metal; joints and couplings for pipes, not of metal; glass fiber flexible pipes, fittings for pipes, pipe muffs and junctions for pipe; glass fiber reinforced flexible pipes, fittings for pipes, pipe muffs and junctions for pipes; glass fiber reinforced flexible plastic pipes, fittings for pipes, pipe muffs and junctions for pipes; glass fiber reinforced flexible polyester pipes, fittings for pipes, pipe muffs and junctions for pipes; non-metal sealing rings for use as connection seals; water tight rings for use as pipes connection seals not of metal; stuffing rings for pipes, namely, rings of rubber for use as pipe connection seals; reinforcing material not of metal for pipes, non-metal pipe muffs, and non-metal fittings for pipes and junctions for pipes; joint packings for non-metallic flexible pipes and flexible PVC pipes; valves of rubber or vulcanized fiber; fittings for pipes, pipe muffs and junctions for pipes, all of glass fiber; glass fiber reinforced fittings for pipes, pipe muffs and junctions for pipes; glass fiber reinforced plastic fittings for pipes, pipe muffs and junctions for pipes; glass fiber reinforced polyester fittings for pipes, pipe muffs and junctions for pipes; reinforcing materials not of metal for pipes, fittings for pipes, pipe muffs and junctions for pipes; pipe fittings, pipe muffs, pipe junctions, not of metal; parts and accessories for all the aforementioned goods, namely, non-metal flanges, non-metal fittings for pipes

Non-metal building materials, namely, fiberglass panels, floor boards, fasica, channels; glass fiber reinforced rigid pipes, not of metal; glass fiber reinforced rigid plastic pipes; non-metallic rigid pipes for building; penstock pipes, water supply pipes, cooling water pipes, jacking pipes, non-metal water pipes, namely, firewater pipelines for channeling water to fire hydrants, water pipes, drain pipes, gutter pipes, sewer pipes and other rigid pipes, all not of metal; nonmetallic rigid tubes; sewer manholes, access pipes and manhole covers, all not of metal; non-metal sewer manholes, and manhole covers; rigid pipes of glass fiber; rigid glass fiber reinforced non-metal pipes; rigid glass fiber reinforced plastic pipes; rigid glass fiber reinforced polyester pipes; sewer manholes and non-metallic drainage pipes of glass fiber; glass fiber reinforced manholes, non-metallic drainage pipes of glass fiber; glass fiber reinforced plastic manholes, non-metallic drainage pipes of glass fiber; reinforcing materials not of metal for building; storage containers and storage tanks of masonry; water pipe valves, not of metal or plastic; penstock pipes, not of metal; parts and accessories for all the aforementioned goods, namely, branching pipes not of metal, reducers, flanges, end-closures, end-caps, nozzles, Tees, wyes for use with pipes

Tanks, not of metal or masonry, namely, plastic storage tanks; fiberglass storage tanks; glass fiber reinforced storage tanks; glass fiber reinforced plastic storage tanks; glass fiber reinforced polyester storage tanks; valves of plastic being other than machine parts; parts and accessories for all the aforementioned goods, namely, fittings, branches, nozzles, end-caps, access holes, end-closures, flanges and other fittings, Tees, wyes for connecting and using with tanks