19 Building and construction materials and elements not of metal, namely, non-metal floor panels, wall panelling made of non-metallic materials, wall linings not of metal for building, non-metallic laminated boards for walls for building, non-metallic floor boards, parquet floor boards, plastic floorboards, facing panels of non-metallic materials for building, architectural panel mouldings of non-metallic materials, decorative mouldings not of metal for building, decorative timber mouldings for use in building construction, wooden flooring, floors not of metal, parquet flooring, flooring underlayments, ceramic tiles for flooring and lining, timber building panels, building panels not of metal, floor tiles not of metal, floor tiles of wood, rubber floor tiles, tiles not of metal for building, terra-cotta floor tiles, ceiling coffers being ceiling panels of non-metallic materials, laths not of metal, non-metallic skirting boards for building, non-metallic decorative mouldings for use in building construction, non-metal cove bases, wainscotting not of metal, non-metallic building laths, decorative wood moldings for use in building construction, rubber cove bases, non-metallic kitchen tiles