Ключевые слова: background, band, belt, black, blue, bulk, carbon, cargo, coal, coal storage, commercial, container, conveyor, crane, dark, deposit, dirty, energy, equipment, exploitation, extraction, fossil, fuel, global, heap, heavy, industrial, industry, load, machine, machinery, material, metal, mine, miner, mineral, mining, pile, plant, port, power, production, raw, shipping, sky, stockpile, storage, transport, transportation, work,