Ключевые слова: blue, building, burn, chemical, chimney, combustible, complex, economy, electricity, energy, engineering, environment, environmental, facility, factory, fuel, gas, global, heat, heavy, high, hot, industrial, industry, modern, oil, petrol, pipe, pipeline, piping, plant, pollution, power, production, pump, refinery, science, sky, station, steam, steel, structure, supply, system, tube, turbine, urban, valve,