Ключевые слова: big, building, construction, digger, digging, dirt, dirty, dust, earth, environment, equipment, excavator, exploration, extraction, extreme, geology, granite, gravel, grunge, heavy, huge, hydraulic, industrial, industry, loader, machine, machinery, material, metallic, mine, mining, moving, nature, old, ore, power, quarry, quarrying, rock, shovel, steel, stone, surface, technology, tool, transport, transportation, vehicle, water, work,