Ключевые слова: air, atmosphere, building, carbon, chemical, chemistry, chimney, climate, coal, construction, contamination, dark, dirty, ecology, electricity, energy, engineering, environment, environmental, factory, fuel, fumes, gas, generator, global, industrial, light, manufacturing, oil, petrochemical, petroleum, pipe, plant, pollution, power, production, refinery, river, sky, smog, smoke, smokestack, stack, steam, sunset, technology, tower, toxic, warming, water,