19 [ SAND, GRAVEL, CRUSHED STONE, ASPHALT, BITUMEN, CEMENT, GYPSUM FOR USE IN CONSTRUCTION, ROAD CONSTRUCTION, REPAIR AND COVERING WORK; BUILDING MATERIALS AS FINISHED PRODUCTS MADE OF CONCRETE, GYPSUM, CLAY, POTTERS' CLAY, NATURAL OR ARTIFICIAL STONE, WOOD, ] PLASTICS AND NON-METAL SYNTHETIC MATERIALS, namely, FLOORING, ROOF TRUSSES, ROOF PURLINS, ROOF PROFILES, ROOF VALLEYS, [ ROOF CLADDINGS, TILES, ] FLOOR PANELS, WALL PANELS, [ CONNECTORS FOR JOINING TILES, ] CONNECTORS FOR JOINING FLOOR PANELS, CONNECTORS FOR JOINING WALL PANELS, [ ADAPTORS FOR JOINING TILES, ] ADAPTORS FOR JOINING FLOOR PANELS, ADAPTORS FOR JOINING WALL PANELS, PROFILE BEAMS USED IN BUILDINGS, BEAMS, COLUMNS, ALL FOR CONSTRUCTION, [ ROAD CONSTRUCTION PURPOSES; ] PREFABRICATED NON-METALLIC BUILDINGS; NON-METALLIC BUILDING MATERIALS, namely, FLOORING, ROOF TRUSSES, ROOF PURLINS, ROOF PROFILES, ROOF VALLEYS, [ ROOF CLADDINGS, TILES, ] FLOOR PANELS, WALL PANELS, [ CONNECTORS FOR JOINING TILES, ] CONNECTORS FOR JOINING FLOOR PANELS, CONNECTORS FOR JOINING WALL PANELS, [ ADAPTORS FOR JOINING TILES, ] ADAPTORS FOR JOINING FLOOR PANELS, ADAPTORS FOR JOINING WALL PANELS, PROFILE BEAMS USED IN BUILDINGS, BEAMS, COLUMNS, NONMETALLIC TRANSPORTABLE BUILDINGS, [ POLES NOT OF METAL FOR POWER LINES, CRASH AND TRAFFIC BARRIERS NOT OF METAL, DOORS AND WINDOWS OF WOOD AND NON-METAL SYNTHETIC MATERIALS; NATURAL AND SYNTHETIC SURFACE COATINGS IN THE FORM OF NON-METAL PANELS AND SHEETS, ] BEING BUILDING MATERIALS [ ; HEAT ADHESIVE SYNTHETIC TAR AND ASPHALT SURFACE COATINGS BEING BUILDING MATERIALS FOR USE ON ROOF, WALLS AND PAVEMENTS; BITUMEN CARDBOARD COATINGS FOR ROOFING; BITUMEN COATING FOR ROOFING; BUILDING GLASS; PREFABRICATED SWIMMING POOLS NOT OF METAL ]