Ключевые слова: blue, building, chemical, chemistry, chimney, construction, electric, energy, engineering, environment, environmental, factory, fuel, gas, gasoline, generator, global, hand, heavy, hold, industrial, industry, landscape, light, manufacturing, metal, night, oil, petrochemical, petroleum, pipe, pipeline, plant, pollute, pollution, power, production, refine, refinery, sky, smoke, station, steam, steel, storage, structure, tank, technology, tower, warming,