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