19 Natural stone slabs, tiles, mosaic, medallions and molding for wall, floor or ceiling; Marble; Granite; Slate; Ledger and flag sandstone; Travertine; Limestone; Pebble stone; Non metal slabs, tiles, mosaic and molding for wall, floor or ceiling; Shell; Ceramic tiles; Fireproof tiles; Wood tile floors; Glass tiles; Paver tiles; Plastic tiles; Playground tiles; Rubber floor tiles; Tiles of clay, glass, gypsum, ceramic or earthenware; Monuments of stone, concrete or marble; Sculptures of cement, marble or stone; Rock materials used in the manufacture of flooring, roofing, countertops, vanity tops, walls, cladding and fireplaces