Ключевые слова: activity, blocks, building, business, color, construction, derrick, destruction, development, digging, dump, earth, extraction, geology, gravel, heap, industry, land, large, layering, layers, lime pit, limestone, manual, marble, material, mine, mineral, mining, open pit, orange, pit, pits, quarry, raw, resource, rock, rubble, sand, slabs, stack, stone, white, work, workers,