Ключевые слова: anthracite, background, black, bridget, briquette, burn, burning, calcimining, carbon, charcoal, charcoals, close, coal, coalmine, combust, combusted, combustible, combustion, commodities, cooking, dark, dirty, dust, earth, emission, energy, environment, exploitation, explore, extraction, fuel, gas, hand, heat, hold, industry, minerals, nature, ore, porous, power, production, pure, purifier, purity, rock, stone, structure, studio, traditional,