Ключевые слова: blue, central, chiming, chimney, chrome, cloud, clouds, construction, diesel, energy, environment, europe, fuel, funnel, gas, heating, home, installation, machinery, manufacture, manufacturing, metal, modern, new, oil, petrol, petroleum, pipe, plant, pollution, power, process, production, rafinery, resource, safety, settlement, sky, smoke, splendid, steam, tank, tower, tube, unit, work,