Ключевые слова: air, atmosphere, blue, business, chemical, chimney, co2, coal, construction, dioxide, ecology, emission, energy, environment, environmental, exhaust, factory, fuel, fume, gas, global, industrial, industry, manufacturing, natural, oil, petrochemical, petrol, pipe, plant, pollution, power, production, red, refinery, sky, smoke, stack, station, steam, steel, tall, technology, tower, turbine, warming, white,