19 [ Non-metallic building materials, namely, concrete blocks, bricks, building stone, refractory bricks and blocks, gravel, alabaster, marvel, granite, limestone, sandstone, cobbles and boulders, pitch, asphalt, bitumen asphalt, coal-tar, concrete, mortars, adhesive mortar for building purposes, refractory concrete and mortars, non-metallic minerals for building and construction, sand, quartz, calcite, magnesia cement, asphalt-based mastic for foundations of buildings, cement mixes, filling cement, plaster, gypsum, fire proved tiles, concrete walls for building, ceramic tiles for flooring and lining, non-metal cladding for construction and building, non-metal wainscoting, asphalt roofing paper and felt, asphalt patching compound made of a tar base, concrete floors, concrete slaps, non-metal casting forms for concrete, frame work not of metal for building, construction elements not of metal, namely, supports and braces, non-metal lattices, non-metal chimneys, wood boards, joists not of metal, beams not of metal, non-metal laths, timber, artificial timber, plywood, wood panelling, planks, pipes of cement, non-metal gutter pipes, non-metal water pipes, rigid-pipes, not of metal, non-metal air-conditioning ducts, non-metal ducts, not for electrical circuits, non-metal roofing, roofing cement, asphalt roof coverings, asphalt-based roofing mastics, bituminous coating for roofing and roofing sealants, tar-based sealants for roofing, non-metal roofing tiles, non-metal gutters, non-metal shingles, non-metal roofing hips, non-metal ceiling panels and wood boards, non-metal windows, non-metal window casements, frame, screens and sills, glass blocks and bricks for building, safety glass, plate glass for building, insulated glass for building, non-metal shutters, non-metal jalousies, non-metal lintels, door casings, not of metal, door jambs, not of metal, door panels, not of metal, door frames, not of metal, stair-treads, not of metal, stair cases, not of metal, balustrades not of metal, non-metal gates and fences, non-metal floors, non-metal scaffolding, non-metal posts, cement posts; non-metal transportable buildings; non-metallic prefabricated fixed buildings; asphalt, pitch or bitumen; non-metallic rigid pipes for building; monuments, not of metal; materials for making and coating roads, namely, asphalt, tar, pitch, bitumen, bitumen asphalt, bitumen and/or tar-based driveway and asphalt-sealants, coal-tar, asphalt composition paving, paving blocks not of metal, concrete road pavement boards, geotextiles for use in connection with road construction, glass granules for marking roads; coverings, not of metal, for building, roof coverings and roofs not of metal; floating docks; scaffolding, not of metal; mad marking materials, namely, glass granules for marking roads, colors for mad marking; crash barriers, not of metal, for roads ]