Ключевые слова: activity, blue, business, clouds, coal, construction, conveyor, daylight, degradation, details, dig, earth, economic, energy, engine, equipment, excavation, exploration, extraction, facility, factory, fossil, gravel, heaps, heaven, hill, inclide, industrial, industrie, landscape, machinery, manufacturing, material, mine, mineral, mining, mortar, natural, opencast, pile, pit, plant, processing, production, quarry, rare, refinery, sand, sky, steel, stone, storage, supply, surface, tank, technology, tile, transport, transportation, view, waste, wasteyard, working, workings,