Ключевые слова: air, architecture, background, building, business, carbon, chemical, chemistry, chimney, city, construction, dioxide, disaster, ecology, emissions, energy, environment, factory, foundry, furnace, gas, generation, global, heavy, industrial, industry, landscape, manufacture, manufacturing, metallurgical, metallurgy, physical, pipes, plant, pollutant, pollution, power, problem, sky, smog, smoke, snow, steam, steel, technology, tube, urban, white, winter, working,