The material extracted from the compressor of a refrigerator and air conditioner with air cleaners.Or cooling substances by incineration and slit the compressor and refrigerating substance pour it. Make refrigerating substance in older machines, which are substances that destroy the ozone layer. Evaporate to the atmosphere and to destroy the ozone layer which prevents radiation of heat radiating into the surface of the Earth, too. Resulted in holes in the ozone layer รั่ว่ใน
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