Ключевые слова: acid, air, architecture, atmosphere, black, building, chemical, chimney, clouds, co2, danger, destruction, dioxide, dusk, dust, earth, ecology, energy, environment, environmental, factory, fog, fume, gas, generate, global, hell, industrial, industry, manufacturing, nature, noise, ozone, pipe, plant, poison, pollute, polluting, pollution, power, production, protection, refinery, sky, smog, smoke, smokestacks, steam, steel, technology, toxic, vapor, warming, waste,