Non-metal building materials, namely, non-metallic floor tiles used for construction, concrete, bricks, non-metallic aggregate material composed of cement and gravel for road surfaces; road paving stones, tiles, paver tiles; rigid pipes not of metal; asphalt, pitch and bitumen asphalt; adhesive cement, namely mortar for building construction, namely for affixing ceramic tiles and pavement, namely paving stones; non-metallic transportable and non-transportable prefabricated buildings