Ключевые слова: background, black, bonfire, burning, burnt, charcoal, coal, cost, cube, dark, dirty, ecology, effect, energy, environment, exploitation, extract, extraction, fire, fossil, fuel, gas, hand, heat, hold, hot, human, industrial, industry, lignite, man, manufacturing, material, mine, miner, mineral, nature, power, processing, production, resources, rock, smoke, stone, stove, texture, textured, underground, work, worker,