Intsimbi yolwakhiwo olumelana nemozulu yintsimbi enganyangekiyo kwi-atmospheric, eyeyentsimbi yolwakhiwo olukwialloyi esezantsi yokuqina.Ngokweempawu zayo eziphambili, ihlulwe ibe yintsimbi yesakhiwo esinemozulu ephezulu kunye nentsimbi echasene nemozulu kwizakhiwo ezidibeneyo.
