Ключевые слова: air, atmosphere, building, chemical, chemistry, chimney, climate, cloud, coal, condensation, contamination, damage, day, destructive, dioxide, dirty, ecology, environment, exhaust, factory, fuel, fumes, gas, global, heat, heating, high, industrial, landscape, manufacturing, nature, overcast, pipe, plant, pollution, refinery, sky, smog, smoke, smokestack, station, steam, technology, thermal, tower, toxic, tube, vapor, warming, water,