ACTIVE

Non-metallic building materials, namely, clay slabs, concrete, concrete blocks, concrete flooring, concrete slabs, ceramic blocks, ceramic flooring, ceramic slabs; nonmetallic building tiles; tiles, namely, ceiling tiles, clay roofing tiles, floor tiles, paving tiles, non-metal roofing tiles, wall tiles, ceramic tiles; floor coverings, namely, ceramic tiles for floor coverings; coverings of ceramic and stoneware, namely, ceramic paving tiles, ceramic roofing tiles, ceramic wall tiles, ceramic ceiling tiles