19 NON-METAL BUILDING MATERIALS, NAMELY, BUILDING PANELS, BUILDING PANELS WITH STEAM OR WATER BARRIERS, FORMABLE BUILDING PANELS, PROFILE PARTS, SEMI-FINISHED PROFILES, BEAMS, BOARDS, PIPE BEDDING, RAILING AND FAĆADE PANELS, BALCONY FLOOR PANELS, TERRACE PANELS, CEILING PANELS, ANGLE PROFILES, ANGLE ELEMENTS, CONSOLES; WALL AND FLOOR PANELS OF STONEWARE AND/OR NATURAL STONE; TILES; NON-METAL PIPES FOR BUILDING PURPOSES