Ключевые слова: acid, air, brick, business, chemical, chimney, contamination, corporation, destruction, ecology, energy, environment, exhausting, factory, field, fuel, fume, gas, generate, global, global warming, industry, landscape, law, manufacturing, meadow, mill, nature, oil, old, ozone, poison, polluting, pollution, power, rain, rice, sky, smog, smoke, smokestack, steam, structure, technology, toxic, vapor, warming, waste,