Ключевые слова: air, architecture, blue, brick, building, business, chemical, chimney, coal, construction, ecology, electricity, energy, environment, environmental, exterior, factory, fuel, gas, global, home, house, industrial, industry, light, metal, modern, nature, night, oil, old, pipe, plant, pollution, power, production, red, refinery, roof, sky, smoke, steam, structure, technology, tower, warming, white, window,