[ Metal manhole covers and manhole frames and metal drainage gratings; metal duct covers, metal inspection covers; ] metal building materials used within drainage and sewer systems, namely, [ beams, ] drain pipes [, drain traps and cladding ] ; [ metal 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 steel; metal castings; unwrought and partly wrought common metals and their alloys, ] metal drainage and sewer systems, [ apparatus and installations, ] namely, pipes, * and * drain pipes [, drain traps, gutters, steel sewer rods, metal sewer pipe fittings, and pipe couplings ]

[ Non-metal building materials, namely, plaster, shingles, tiles, wood panels, cladding for construction and building, lumber; non-metal drains, namely, concrete drainage structures, namely, trench drains; ceramic drain pipes; non-metallic construction materials, namely, drain bases and grates, gutters, sewer pipes; non-metal manhole covers, and manhole frames, non-metal drainage gratings, non-metal inspection covers, namely, manhole covers and duct covers providing below ground access to drainage and sewer systems, non-metal well covers, and duct covers; non-metal drainage and sewer systems, apparatus and installations made therefrom, namely, sewer pipes, drains, namely, drains for use in constructions of basement waterproofing systems, gutters; non-metallic reinforcements for concrete and wood building constructions, namely, rods, non metal building and construction articles, namely, bricks and concrete, glass, paving, and wood blocks ]