Fire burrs in the nature of Sandstone; Limestone; Quartz; Stone, namely, natural stone, artificial stone, stone for building and construction; Granite; Building stone; Marble; Artificial stone; Construction materials, namely, non-metal materials for constructing floors in the nature of terrazzo; Ceramic tile; Tile floorings, not of metal; Wall tiles, not of metal; Props, not of metal, namely, non-metal props in the nature of beams; Parquet flooring; Non-metal construction materials, namely, stair stringers, not of metal; Statues of stone, concrete or marble; Works of art of stone, concrete or marble; Memorial plaques, not of metal, namely, memorial plaques of stone; Grave slabs in the nature of tombstone stelae, not of metal; Rock crystal