Non-metallic building materials, namely, concrete, Portland cement, roofing cement, concrete blocks, bricks, cement posts, cement slabs and concrete panels; non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal

Non-metallic building materials, namely, concrete, Portland cement, roofing cement, concrete blocks, bricks, cement posts, cement slabs and concrete panels; non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal