Ключевые слова: background, black, burning, carbon, charcoal, closeup, coal, dark, dirty, ecology, effect, energy, environment, exploitation, extract, extraction, fossil, fuel, gas, geology, hand, heap, heat, human, industrial, industry, male, man, manufacturing, material, mine, miner, mineral, mining, natural, nature, person, power, production, resource, rock, stone, texture, tribute, unclean, work, worker,