6
Common metals and their alloys; unworked cast parts, namely, alloys for casting; semi-finished and finished products of metal, namely, pump and valve parts, namely, baseplates, blades, casings, stems, flanges, disks, cones, sheet-metal-boxes; metallic moulds and models for manufacturing castings; pipes and tubes of metal; pipe junctions of metal; pipe joints of metal; fittings of metal for installing in pipework for liquid or gaseous media
17
Semi-finished goods and mouldings of plastic, namely, casings, impellers, vanes, stators, plates, bearings, sockets, pedestals, protection caps, valve balls, glands, and cover plates for industrial use; injection molded products of plastic for use in a variety of industries; plastic linings as a primary component of flexible plastic plumbing pipes; packing and insulating materials; seals, pipelines, pipe connectors, pipe sleeves, and hoses for use with plastic plumbing hoses; pipe fittings comprised primarily of plastic
19
Semi-prepared and prepared products of mineral castings, namely, machine beds, machine tools, machine frames and components, plates, casings, brackets, tool slides; non-metallic construction materials, namely, panels, boards, slabs, fasteners, braces, supports, sockets, fixings, underlays, and foundations; mouldings, pipes and tubes, carriers, columns, props, and fittings made of concrete, ceramic, thermoplastics, thermosetting plastics, rubber, resin compounds with or without additives, namely, liquid or granulated synthetic materials, elastomers, fiberglass, minerals or renewable raw materials, namely, fibers of sisal, flax or hemp, woodflour, sheep wool