Ключевые слова: aerial, big, coal, country, day, deep, development, dig, ecology, energy, environmental, equipment, extraction, far, fossil, fuel, geology, industrial, industry, landscape, machinery, mine, miner, mineral, mining, mountain, nature, nucleus, open, ore, outdoor, over, panorama, pollute, production, quarry, road, sand, skirt, stone, strength, surface, technology, top, transport, view, work,