Ключевые слова: air, building, business, chemical, chemistry, chimney, city, construction, ecology, energy, engineering, environment, equipment, evening, factory, foundry, fumed, furnace, global, heavy, industrial, industry, iron, manufacture, manufacturing, metal, metallurgical, metallurgy, petrochemical, pipe, pipeline, plant, pollutant, pollution, power, production, rusty, sky, smog, smoke, smokestack, stack, station, steam, steel, sunset, technology, tower, tube, work,