Non-metallic building materials, namely, stone, artificial stone and tiles for building and construction; non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; non-metallic monuments

Non-metallic building materials, namely, stone, artificial stone and tiles for building and construction; non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; non-metallic monuments