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The International Day for the preservation of the Ozone Layer is observed every year on September 16 to commemorate the date of signing of the Montreal Protocol in 1987 on substances that deplete the Ozone ..
HFCs are used as refrigerants and coolants in refrigerators and air-conditioners, in fire extinguishers, furniture making, as solvents for cleaning, and other purposes. CFCs and later HCFCs were being used for everything that HFCs are ..
The International Day for the preservation of the Ozone Layer is observed every year on September 16 to mark the commemoration of the date of signing of the Montreal Protocol in 1987 on substances that ..