Ключевые слова: air, building, burning, chemical, chimney, cloud, coal, combined, cooling, ecology, electric, electrical, electricity, energy, environment, environmental, factory, fog, fossil, fuel, fume, generator, global, industrial, industry, manufacturing, mist, modern, morning, nature, pipe, plant, pollution, power, power plant, production, refinery, smog, smoke, smokestack, station, steam, sunrise, technology, thermal, tower, toxic, voltage, warming,