Ключевые слова: background, blue, building, business, chemical, chemistry, chimney, compressor, construction, diesel, distillery, energy, engineer, engineering, environment, equipment, factory, fuel, gas, gasoline, global, industrial, industry, liquid, manufacturing, metal, natural, night, oil, petrochemical, petroleum, pipe, pipeline, plant, pollution, power, production, refinery, sky, smoke, station, steam, steel, storage, structure, tank, technology, tower, tube, worker,