19 [ TILES, NOT OF METAL; FLOOR TILES, NOT OF METAL ][; BRICKS; BUILDING GLASS; CONCRETE; STONE; CEMENT AGGREGATES; CEMENT MIXES; CEMENT MORTAR PIPES; CEMENT MORTAR ROOFING TILES; CEMENT MORTAR SLATES; CEMENT POSTS; HYDRAULIC CEMENT; MAGNESIA CEMENT; CEMENT BONDED PARTICLE BOARD; CEMENT FILLERS FOR USE IN ROOFING; SILICA CEMENT, NAMELY, POZZOLANIC CEMENT; SLAG-LIME CEMENT; PORTLAND CEMENT; ROOFING CEMENT; FILLING CEMENT; WOOD-FIBER REINFORCED CEMENT BOARDS, NAMELY, CEMENT EXCELSIOR BOARDS; BUILDING MATERIALS, NAMELY, COMPOSITE PANELS COMPOSED PRIMARILY OF NONMETAL MATERIALS; CONSTRUCTION MATERIALS, NAMELY, FIBERGLASS PANELS; CONSTRUCTION MATERIALS, NAMELY, EXTERIOR PANELS, NOT OF METAL; CONSTRUCTION MATERIALS, NAMELY, BONDING FASTENERS FOR MOUNTING AND DEMOUNTING OF CEILING AND WALL PANELS, NOT OF METAL; FLOOR PANELS, NOT OF METAL; GLASS PANELS FOR BUILDING CONSTRUCTION PURPOSES; MULTILAYER PANELS OF PLASTIC FOR USE IN BUILDING; FENCING PANELS, NOT OF METAL; FIRE-RESISTANT BOARDS AND PANELS FOR CONSTRUCTION, NOT OF METAL; WATER-RESISTANT BOARDS AND PANELS FOR CONSTRUCTION, NOT OF METAL; GATE PANELS, NOT OF METAL; RAILINGS AND FACADE PANELS, NOT OF METAL FOR CONSTRUCTION PURPOSES; ROOFING PANELS, NOT OF METAL; STRUCTURES FOR MOUNTING SOLAR PANELS, NOT OF METAL; SUSPENDED CEILING SYSTEMS COMPRISING PANELS, NOT OF METAL; WALL-MOUNTED PANEL UNITS FOR EXHIBITIONS, DISPLAYS AND PARTITIONING, NOT OF METAL; WALL PANELS NOT OF METAL; DOOR FRAMES, NOT OF METAL; GREENHOUSE FRAMES, NOT OF METAL; CERAMIC TILES FOR FLOORING AND FACING; ASPHALT ROOF COATINGS; ASPHALT-BASED COATINGS AND SEALANTS FOR USE ON ROOFS, WALLS AND PAVEMENTS; BITUMINOUS ROOF COATINGS; SEALER COATINGS SOLD AS AN INTEGRAL COMPONENT OF NON-METAL TILES, NATURAL STONE, AND MOLDED RESINS FOR CONSTRUCTION PURPOSES; FLOORS, NOT OF METAL; CEILING BOARDS OF WOOD; CEILING PANELS, NOT OF METAL; CONSTRUCTION MATERIALS, NAMELY, NON-METAL BONDING FASTENERS FOR MOUNTING AND DEMOUNTING OF CEILING AND WALL PANELS; DOORS AND DOOR PANELS, NOT OF METAL; WINDOWS AND WINDOW FRAMES FOR BUILDINGS, NOT OF METAL; STAIRCASES, NOT OF METAL; ROOFINGS, NOT OF METAL; ROOF COVERINGS, NOT OF METAL; GATES, NOT OF METAL; FENCES, NOT OF METAL; EXTERIOR BUILDING SHUTTERS, NOT OF METAL; ROLL SHUTTERS, NOT OF METAL; WINDOW SHUTTERS, NOT OF METAL; CRASH BARRIERS, NOT OF METAL; REFRACTORY CONSTRUCTION MATERIALS, NOT OF METAL; ROAD SIGNS, NOT OF METAL AND NON-LUMINOUS AND NON-MECHANICAL SIGNS OF NON METAL; INSECT SCREENS, NOT OF METAL; WINDOW SCREENS, NOT OF METAL; JAPANESE SLIDING SCREENS OF THIN PAPER; EXTERIOR BLINDS, NOT OF METAL; TOMBS, NOT OF METAL; PREFABRICATED BUILDINGS, NOT OF METAL; PREFABRICATED BUILDINGS, NAMELY, STORAGE SHEDS, NOT OF METAL; SOUNDPROOF WALLS PANELS, NOT OF METAL; SOUNDPROOF WALLS TILES, NOT OF METAL; BALUSTRADES; TAR AND PITCH; NON METAL DRAIN PIPES AND DRAIN TRAPS MADE OF PLASTIC; WATER PIPES, NOT OF METAL ]