19 Tar and pitch; non-metallic minerals for building or construction; ceramic building materials, bricks and refractory products; plastic building materials; synthetic building materials; asphalt, and asphalt building or construction materials; rubber building or construction materials; plaster for building purposes; lime building or construction materials; building or construction materials of plaster; buildings, not of metal; erosion control mats incorporating plant seeds; plastic security windows allowing communication; road and field marking sheets and strips; cement and its products; building timber; building stone; building glass; moulds for forming cement products, not of metal; stone lanterns; transportable greenhouses, not of metal, for household use; building or construction materials of calcium silicate; floors, not of metal; materials for use in the construction of walls, not of metal; ceiling materials, not of metal; stair-treads [steps], not of metal; building materials, not of metal; platforms, prefabricated, not of metal; non-metallic materials for building and construction in the field of greening; building or construction materials of wood; plywood; fiberboards; particleboard; ceiling panels, not of metal; cladding, not of metal, for building; moldings, not of metal, for building; reinforcing materials, not of metal, for building; roofing, not of metal; beams, not of metal; non-metallic rigid pipes for construction purposes; doors, not of metal; gates, not of metal; joists, not of metal; framework, not of metal, for building; window frames, not of metal; sills, not of metal; wood, semi-worked; veneer wood; manufactured timber; wood pulp board for building; non-metal shingles; pilings of wood; mine timber; planks; artificial timber; bamboo flooring; wood rafters; railway sleepers of wood; wooden poles [posts] for electric power lines; building materials made of wood in the shape of board; halved timber; fire-resistant wood; preserved wood [anti-decay wood]; logs [building materials]; wooden pipes for building; wooden railings; wood blocks; roofing boards of wood; floorboards, not of metal; floor tiles of wood; asphalt felt for use in building; asphalt roofing felt; asphalt roofing paper; glass tiles; wired plate glass for building; laminated flat glass for building; colored sheet glass for building; figured plate glass for building; glass roofing tiles; glass bricks; modified sheet glass for building; tempered glass for building; ultraviolet-ray transmitting glass for building; infrared-ray absorbing glass for building; decorative glass for building; luminous glass for building; common sheet glass for building; radiation shield glass for building; glass granules for road marking; fired bricks; insulating refractory bricks; clay roofing tiles; terra cotta; ceramic roofing tiles; ceramic tiles; ceramic drain pipes; clay pipes and conduits; unfired bricks; mortar; refractory products of pyrophylite; linoleum wallboards; linoleum floorboards; plastic wallboards; plastic boundary marking posts; plastic tiles; plastic floorboards; building boards of wood and synthetic wood; flooring or wall claddings of synthetic materials; pre-fabricated sectional chicken houses, not of metal; alumina cement; portland blast-furnace slag cement; concrete pipes; concrete piles; concrete road pavement boards; concrete poles for building; blocks of concrete; silica cement [pozzolanic cement]; slag-lime cement; cement mortar roofing tiles; cement mortar pipes; cement mortar slates; hume pipes; portland cement; magnesia cement; wood-fiber reinforced cement boards [cement excelsior boards]; stone roofing tiles; stone slates; slag stone; slag ballast; artificial stone; monument stone; footing stone; tombstones [gravestones]; wall stone; paving stones; man-made garden ponds [structures, not of metal].