A BLACK AND WHITE SQUARE WITH A DIAGONAL LINE BISECTING IT FROM THE TOP LEFT CORNER TO THE BOTTOM RIGHT CORNER. THE LINE IS SLIGHTLY THICKER THAN THE BORDER OF THE SQUARE.

Class [019]
Adhesive mortar for building purposes; agalmatolite for use in building; agglomerated bagasses of cane being building material; agglomerated cork for building; alabaster glass for building; amphibole for use as building materials; armor-plating made of aramid composite for building purposes; asphalt felt for building purposes; asphalt for building purposes; asphalt-based mastics for foundations of buildings; awnings, not of metal and not of textile; binding material for road repair; bitumen building materials; bitumen paper for building; bitumen-based coatings for doors and windows of wood and synthetic materials; bonding mortar for building purposes; building and interior glass painted panes; building boards of plastic; building cardboard; building construction materials in the nature of aromatic cedar planking; building drop shafts not of metal; building glass; building material, namely, plastic webbing material used to reinforce bituminous waterproofing sheets; building materials in the form of plastic composite coatings; building materials, namely, fly ash; building materials, namely, non-metal countertops for further installation; building materials, namely, plastic pedestals for elevating pavers; building materials, namely, plastic pipe supports; building materials, namely, pre-cast concrete wall forms; building materials, namely, slabs of stone wool; building paper; building poles of plastic; building sand; building seam tape; building stone; building stones for building; building strips of plastic; building timber; canopies, not of metal and not of textile; cement partitions for buildings; clay for use as building material; cold-bending plastic sheets for building; colored sheet glass for building; colored window glass for building; coloured sheet glass for building; common sheet glass for building; concrete buildings to house communication equipment; concrete buildings to house power generation equipment; concrete partitions for buildings; concrete plates for building; concrete poles for building; concrete poles for use as building materials; concrete slabs for building; concrete structural columns for building; concrete walls for building; construction material, namely, fiberglass faced sheathing; construction material, namely, fiberglass panels; construction materials, namely, solid phenolic toilet partitions; construction materials, not of metal, namely quartz and artificial stone tiles and slabs; decorative glass for building; dog houses, not of metal, for building sites; facade claddings, not of metal, for building; felt for building; fiberboard building panels incorporating acoustic insulation; fiberglass materials for constructing floors; figured plate glass for building; flashing in liquid form, to serve as an air and weather barrier in building applications; flashing of butyl for building; flashing of rubber for building; flashing, not of metal, for building; glass bars for building; glass blocks for building; glass powder for use in building; glass rods for building; glass slabs for use in building; glue-laminated wood, veneer wood, wood boards, furrings of wood, anti-decay wood, ceiling boards of wood, roofing boards of wood, planks of wood for building, wood blocks, joists, building timber, structural timber, lumber, wood rim board; grog being fired refractory material; grouting cartridges containing synthetic resins for use in building construction; hazardous material storage buildings of concrete; hydrated lime for use in building; infrared-ray absorbing glass for building; insulating glass for building; laminated flat glass for building; logs used as building material; luminous glass for building; magnesium oxide based sheet board for building purposes; marble being building material; marble used as building material; modified sheet glass for building; modified window glass for building; modular dog houses for building sites, not of metal; mortar cartridges containing synthetic resins for use in building construction; mortar for building; mosaics for building; multilayer panels of plastic for use in building; multilayered insulating glass units for glazing buildings; non-metal building construction materials namely, roof, façade, wall and floor coverings and their parts and fittings, namely, paving slabs; non-metal building construction materials namely, roof, façade, wall and floor coverings and their parts and fittings, namely, polycarbonate and bitumen corrugated sheets; non-metal building construction materials namely, roof, façade, wall and floor coverings and their parts and fittings, namely, self-adhered and synthetic roofing underlayment; non-metal building construction materials namely, roof, façade, wall and floor coverings and their parts and fittings, namely, weatherboards; non-metal building materials, namely spacer stocks and frames made of plastic for spacing glass and metal sheets; non-metal roof vents for ventilation in residential and commercial buildings; non-metallic minerals for building; non-woven textiles made of synthetic fibers for use in the building industry; non-woven textiles made of synthetic fibres for use in the building industry; nonstructural building materials, namely, granite used in decorative surface applications for countertops and vanity tops; olivine for building; organic building glass; panels made of wood veneered with plastics for use in building; panels of precast concrete for buildings; panels of thermoplastic composite for use in building; paper board for building; paperboard for building; planks of wood for building; plaster for use in building; plaster used for building purposes