QD

Tile flooring, not of metal; marble; plasterboard; wall tiles, not of metal, for building; floor tiles, not of metal; ceramic tiles; refractory construction materials, not of metal; building materials, not of metal, namely, fiberglass panels, floor boards, fascia, soffits; lighting slabs of cement, concrete, clay, slate; prefabricated buildings, not of metal; building glass; binding agents for making stones, namely, cement aggregates; works of art of stone, concrete or marble