Ключевые слова: anomaly, business, day, deep, deposit, digging, earth, environment, equipment, field, geology, heavy, industrial, industry, iron, kursk, land, large, machinery, magnetic, mikhailovsky, mine, mineral, mining, nature, object, occurrence, open, openpit, ore, pit, quarry, railway, region, resource, rock, russia, surface, technology, train, transportation, truck, vehicle, view, wealth, work, working, zheleznogorsk,