IntshOngohwe
IntshOngohwe (noma isOhrwenkashu ) umzwayi okungewona owemvelo onesicabayo sevanga esithi O3. Lolu uhowo olunombala olundwa ophaphathekile lunevumba eliyintshongo. IntshOngohwe liyinhlobombe yesOrhwe engazinzile ukwedlula inhlobombe ebuchwembili O 2, okwenza icezule umoyambulunga osezansi kube O 2 (isOrhwembili). IntshOngohwe yakhiwe ngesOrhwembili ngesenzo sokukhanya kukazukhwithi nemilelesa yamazuba emkhathini womhlaba. Iyatholakala ngamanani amancane kuwo wonke umoyambulunga, kodwana amanani ayo amakhulu asebuhalalazini bentshOngohwe e stratosphere, okuyiwona omunyunga imiyonzi kazukhwithi ebuya elangeni.