Ключевые слова: blue, boiler, building, chemical, chimney, climate, complex, distillery, duct, energy, environment, environmental, equipment, factory, flare, fuel, gas, gasoline, heavy, industrial, industry, landscape, manufacture, metal, natural, oil, oilfield, petrochemical, petroleum, pipe, pipeline, piping, plant, pollution, production, refinery, safety, sky, station, steel, structure, supply, system, tanks, technology, tower, tube, white, work,