There may appear these types of phase boundary: air - plasma, cold air - hot air, high pressure - normal pressure, quickly moving air - standing air.
Kuna inaweza kuonekana ya aina hii ya awamu ya mipaka: hewa - plasma, hewa baridi - moto hewa, juu ya shinikizo - ya kawaida mvuke, haraka kusonga hewa - amesimama hewa.