Zita iri zita rechiratidzo rinotengeswa neDuPont kune chero chlorofluorocarbon (CFC), hydrochlorofluorocarbon (HCFC), kana hydrofluorocarbon (HFC) firiji. Mazita efiriji anosanganisira nhamba inoratidza kuumbwa kwemamorekuru (semuenzaniso, R-11, R-12, R-22, R-134A).
kuumbwa kwemamolecule