Sand; Gravel; Natural stone, namely, crushed stone; Asphalt, bitumen, cement; Gypsum for use as building materials; Plaster; Concrete; Marble being building material, namely, marble blocks for construction; Building materials being finished products made of concrete, gypsum, clay, potters' clay, stone, marble, wood, plastics and synthetic materials for building, construction, road construction purposes, namely, building panels not of metal comprised of the aforementioned materials, building s...