Architectural elements, namely, non-metal friezes; Bicycle storage racks, not of metal; Downspouts not of metal; Drain pipes, not of metal; Ducts, not of metal, for ventilating and air-conditioning installations; Gutter pipes, not of metal; Non-metal down spouts; Non-metal gutter pipes; Non-metallic drainage pipes; Nonmetal tubular liners for the lining of sewer systems; Plastic conduit for drainage; Plastic conduit for drainage and irrigation; Plastic conduit for irrigation; Plastic oil and ...