Ключевые слова: background, basement, black, briquette, burn, carbon, cinder, close, closeup, cluster, co2, coal, copy, copyspace, crack, emission, energy, environment, fire, flame, fossil, fuel, heat, hot, industrial, industry, inferno, macro, material, mine, mineral, nobody, oxid, oxide, piece, pile, power, raw, resource, rock, space, stone, structure, warm, wealth,