Ключевые слова: angle, big, building, career, clamshell, copper, danger, day, digging, dirty, environment, extract, form, fuel, general, geology, gold, heap, high, industry, job, look, materials, metal, mine, mineral, modern, nature, ndustrial, open, ore, panorama, pit, production, resource, road, rock, sand, slag, summer, technologies, truck, vehicle, wealth, yellow,