Ceramic tiles; Chemically treated wood, namely, wood beams, wood boards, wood joists, wood rafters, wood siding, wood tile floors and flooring, wood trim, wooden beams, wooden flooring, wooden railings, and wooden wainscoting, all of the above containing a fire retardant chemical; Earthenware tiles; Fireproof tiles; Glass tiles; Glazed ceramic tiles; Mosaic art tiles made of marble; Mosaics made of natural stone and stone tile; Paving tiles; Plastic tiles; Tiles of ceramic for wall, floor or ceiling; Tiles of clay, glass, gypsum, ceramic or earthenware; Wall tiles, not of metal; Wall and floor art made of natural stone and stone tile