Rubber, plastic and non-metal goods, namely, stops of rubber; rings of rubber for pipe fittings; rubber stoppers; rubber packings for pipe fittings; water-tight rings; waterproof packings; soundproofing materials; pipe joints, not of metal; pipe couplings, not of metal; sealant compounds for joints; joint packings; plastic material in extruded form for use in production; junctions, not of metal, for pipes; reinforcing materials, not of metal, for pipes; pipe jackets, not of metal; pipe muffs, not of metal; joint packings for pipes; plastic pipes and tubes; plastic rods and bars; plastic materials for packing; plastic plumbing hoses; PVC pipes; PVC rods; flexible plastic conduits for plumbing purposes; flexible plastic pipes for plumbing purposes; plastic hoses for plumbing use; plastic pipes; non-conducting materials in the form of pipe; PVC joints; PVC dual sockets

Non-metallic building and construction materials, namely, non-metallic rigid pipes for construction purposes; valves, not of metal or plastic, for water supply and drainage; gutter pipes, not of metal; refractory construction materials, not of metal; drain traps and valves, not of metal or plastic; non-metallic manholes; manhole covers not of metal; eave gutters, not of metal; drain pipes, not of metal; water outlet valves, not of metal or plastic, for water pipes; branching pipes, not of metal; water pipes, not of metal; water pipe valves, not of metal or plastic; penstock pipes, not of metal; underdrainage pipes, not of metal; roof gutters, not of metal; ducts, not of metal, for ventilating and air-conditioning installations; drainpipe for building, not of metal; plastic conduits for drainage; sewer pipes, not of metal; plastic gutter pipes; plastic pipes for plumbing purposes; pipes, not of metal