Ключевые слова: blue, building, chemical, chimney, climate, coal, construction, cooling, danger, ecology, electric, electricity, energy, environment, environmental, factory, fuel, gas, generate, global, heat, industrial, industry, landscape, manufacturing, nuclear, oil, plant, pollute, pollution, power, production, refinery, sky, smog, smoke, stack, station, steam, structure, technology, tower, toxic, vapor, warming, waste,