Ключевые слова: aerial, belt, blue, conveyor, drone, ecology, environment, equipment, factory, field, gravel, height, hill, industrial, industry, landscape, machinery, manufacturing, mine, mineral, mining, mound, mountain, nature, nobody, openpit, ore, pile, pollution, potassium, production, quadrupter, quarry, radial, salt, sand, sky, slagheap, soil, stack, stockpile, system, technology, view, waste, water,