Ключевые слова: air, air pollution, atmosphere, business, chemical, chimney, climate, coal, color image, condensation, construction, danger, dioxide, dirty, ecology, emission, energy, environmental, exhaust, factory, fume, gas, global, global warming, horizontal, industrial, industry, manufacturing, metal, no people, outdoors, pipe, pollution, power, power plant, power station, sky, smog, smoke, smokestack, social issues, station, steam, steel, technology, tower, toxic, warming,