Unformed materials, namely, natural stone, sand, and natural pebble stones; gravel; asphalt; bitumen; cement; non-agricultural lime for use in construction; plaster; concrete; block marble; materials made and shaped from concrete, plaster, clay, stone, marble, wood, plastic and synthetic materials for building, construction, road construction and similar purposes, namely, concrete blocks, bricks, posts, slabs and panels for building, plaster boards, clay tiles, natural stone tiles, marble bui...