Results (
Vietnamese) 1:
[Copy]Copied!
Ozone-depleting substances are principally CFCsand HCFCs, which are mainly used for refrigerationand air-conditioning. The manufacture of theseproducts is being gradually phased out under theMontreal Protocol (1987). The Protocol sets outdiffering phase-out schedules between developedand developing countries, opening the door to theemergence of a black market in ODS
Being translated, please wait..
