Slate; Tomb slabs not of metal; Statues of stone, concrete or marble; Stones; Statuettes of stone, concrete or marble; Memorial plaques of stone; Grave slabs, not of metal; Monuments, not of metal; Works of art of stone, concrete or marble; Figurines of stone, concrete or marble; Rock materials used in building flooring, roofing, countertops, walls, cladding and fireplaces; Statues of marble; Statuettes of stone; Engraved and cut stone plaques