Ключевые слова: aerial, big, car, career, coal, construction, copper, deep, diamond, digging, dirty, earth, environment, equipment, excavation, excavator, extraction, geology, giant, ground, heavy, industrial, industry, iron, land, landscape, large, machine, machinery, mine, mineral, mining, mountain, nature, open, opencast, ore, pit, quarry, road, rock, spiral, stone, surface, technology, truck, vehicle, work,