19 Tar and pitch; non-metallic minerals for building or construction; bricks; refractory blocks, not of metal; Plastic building materials, namely, plastic floorboards, plastic wallboards, plastic extrusions, ceilings, underground pipes and tanks, flexible pipes, not of metal, pipe fittings comprised primarily of plastic; plywood; synthetic flooring materials and wall-claddings; Synthetic building materials, namely, soundproofing materials for floors, walls or ceilings; synthetic wood for use as building materials; asphalt for building purposes; Rubber building materials, namely, rubber flooring, rubber cove bases, rubber ceilings, rubber underground pipes and tanks, flexible rubber pipes; plaster for building purposes; rock fall prevention nets of textile; prefabricated non-metal building kits; construction materials, namely, vegetation seed-carrier sheets for prevention of earth collapse or landslide; plastic security windows allowing communication; seam tape for building; Plastic building materials, namely, curing tape for building; masking seam tape for building, curing tape for building, masking tape for building and construction use; cement; building timber; building stone; building glass; artificial fish reefs not of metal; pre-fabricated non-metal poultry houses; paint spraying booths not of metal; moulds for forming cement products not of metal; water-pipe valves not of metal or plastics; road signs not of metal, non-luminous, and not mechanical; beacons not of metal, non-luminous; liquid storage tanks of masonry for industrial purposes; water tanks of masonry for industrial purposes; water tanks of masonry for household purposes; letter boxes of masonry; joinery fittings not of metal; stone lanterns; transportable greenhouses not of metal for household use; gravestones and tomb plaques not of metal; stone sculptures; concrete sculptures; marble sculptures; plaster boards; slag stone; grout; gypsum building materials; tiles, not of metal; refractory construction materials, not of metal; asphalt felt for building purposes; synthetic resin felt for building purposes; plastic felt for building purposes; gutter pipes, not of metal; water-pipes, not of metal; plastic tube for building; wall cladding not of metal; non-metal liners for the lining of sewer, drainage and water-supply systems; non-metal liners for prevention of water leakage roof terraces, balconies, basements and bathrooms; building materials, not of metal; fabrics for use in civil engineering (geotextiles); geotextiles, namely, fabric and sheeting for civil engineering work, nurseries, greenhouses, landscaping; plastic board for construction; non-metal luminous paving slabs; resin coating materials for use on roofs, roof terraces, walls, ceilings, floorings, windows, ductworks and pavements; chemical coating materials for use on roofs, roof terraces, walls, ceilings, floorings, windows, ductworks and pavements; polyurea resin-based coating for building and construction use; resin coating materials for building and construction use; chemical coating materials for building and construction use; construction materials for road repair, namely, plastic net, plastic sheeting, plastic mats, non-woven textile sheeting and non-woven textile mats; nonmetal exterior blinds