19 Non-metallic building and construction materials, namely, cement, concrete, fly ash, slag stone and cement, non-woven textiles made of synthetic carbon fiber and glass fiber, grout, mortars for buildings, building stones, non-metal wall panels, block construction systems comprised primarily of non-metal blocks; non-metallic building and construction materials, namely, non-metallic rigid pipes for building and construction; non-metallic building and construction materials, namely, asphalt, pitch, tar, bitumen; non-metallic building and construction materials, namely, lime building materials; non-metallic building and construction materials, namely, cement aggregates, stone aggregates, gravel, sand; non-metallic building and construction materials, namely, non-metallic floor, wall and roof tiles, paving tiles and stones; non-metallic building and construction materials, namely, building stone, bricks