Ключевые слова: architecture, billboards, building, business, chemical, chemistry, chimney, coal, construction, ecology, editorial, electric, electrical, emission, emissions, energy, engineering, environment, environmental, europe, exterior, factory, fire, fuel, gas, gasoline, industrial, industry, metal, petrochemical, petroleum, pipe, plant, pollution, portugal, power, processing, production, refinery, shed, sines, smoke, smokestack, station, steam, technology, tower, turbine, warming,