Metal manhole covers and manhole frames and metal drainage gratings; metal duct covers, metal inspection covers; metallic building materials used within drainage and sewer systems, namely, beams, pipe work, drains and cladding; metallic frames and covers used in drainage and sewer systems, namely manhole covers and sewer access covers; unwrought and partly wrought common metals, and their alloys; rolled and cast metal building materials, namely beams, rails, pipes, concrete reinforcing steels; metal castings; unwrought and partly wrought common metals and their alloys and drainage and sewer systems, apparatus and installations namely sewer pipes, drain, gutter, plumbing and sewer valves, sewer rods, sewer fittings, pipework couplings and accessories therefore

Non-metallic building materials, namely plaster, shingles, tiles, wood panels, glass fibre insulation, cladding for construction and building, lumber; drain, gutter, plumbing and sewer pipes; non-metallic manhole covers, and manhole frames, non-metallic drainage gratings, non-metallic inspection covers, namely manhole covers and duct covers providing below ground access to drainage and sewer systems, well covers, and duct covers; non-metallic drainage and sewer systems, apparatus and installations made therefrom, namely sewer pipes, drain, gutter, plumbing and sewer valves, sewer rods, sewer fittings, pipe work couplings; non metallic building and construction articles, namely bricks and concrete, glass, paving, and wood blocks