Ключевые слова: big, bulldozer, business, construction, digger, digging, earth, equipment, excavation, excavator, extraction, geology, granite, gravel, heavy, huge, hydraulic, industrial, industry, landscape, large, loader, machine, machinery, manufacturing, material, mine, mineral, mining, mountain, nature, opencast, openpit, outdoor, output, pit, power, production, quarry, quarrying, resource, rock, scoop, stone, technology, transport, transportation, vehicle, view, work,