19 [ Stone; artificial stone; marble; building stone; ] tile floorings, not of metal; [ building mosaics; ] ceramic mosaics for building; floor tiles, not of metal; paving slabs, not of metal; [ paving blocks, not of metal; ] wall tiles, not of metal; wainscoting, not of metal; coverings, not of metal, for building, namely, ceramic tile coverings, porcelain tile coverings, laminated porcelain tile coverings; floors, not of metal, namely, ceramic tile flooring, porcelain tile flooring, laminated porcelain tile flooring; mosaics tiles made of ceramic, porcelain, laminated porcelain, glass, natural stone, marble, not of metal; building panels not of metal, namely, ceramic panels, porcelain panels, laminated porcelain panels for floors and walls; ceramic tiles; porcelain tiles; laminated porcelain tiles; [ refractory material not of metal, namely, fire brick and fire tiles; ] slabs not of metal, namely, slabs of ceramic, porcelain, laminated porcelain; [ ceiling, not of metal, namely, ceramic tile ceilings, porcelain tile ceilings, laminated porcelain tile ceilings; building materials, not of metal, namely, external cladding; ] cladding, not of metal, for building; [ reinforcing materials, not of metal, for building; ] wall claddings, not of metal, for buildings; wall linings, not of metal, for building, namely, ceramic tiles for linings; [ buildings, not of metal, namely, portable non-metal buildings, transportable precast concrete buildings; non-metal building tiles; ] ceramic tiles for building