Ключевые слова: air, asian, atmosphere, black, carbon, chemical, chimney, contamination, damage, danger, dangerous, dirty, ecology, effect, energy, environment, environmental, equipment, factory, fuel, garbage, gas, global, heat, industry, junk, manufacturing, material, pile, pipe, plant, plastic, pollution, power, processing, production, recycle, refinery, rubbish, sky, smog, smoke, smokestack, stack, steam, technology, thailand, toxic, warming, waste,