Ключевые слова: air, architecture, blue, building, business, chemical, chemistry, chimney, coal, construction, ecology, electricity, energy, engineering, environment, environmental, equipment, factory, fuel, gas, gasoline, global, industrial, industry, manufacturing, metal, oil, petrochemical, petroleum, pipe, pipeline, plant, pollution, power, production, refinery, sky, smog, smoke, smokestack, stack, station, steam, steel, structure, technology, tower, toxic, tube, warming,