Glazed ceramic tiles; non-metal floor tiles; materials for wall coverings and floor tiles, of ceramic, sandstone and porcelain, except adjuvant, mortar and concrete, namely, ceramic wall and floor tiles, sandstone for building, and porcelain wall and floor tiles

Non-metal wall tiles excluding those made with additives, mortar and concrete; ceramic, stoneware and porcelain coverings in the nature of paving tiles and non-metal floor tiles, excluding those made with additives, mortar and concrete