Ingxowa yokukhula kwequnube yenziwe ngelaphu elikumgangatho ophezulu elingalukwanga, elilula, eliphefumlayo nelithambileyo, elilungele ukukhula kwezityalo.Ivumela inkqubo yeengcambu ukuba yandise ngokukhululekileyo, ifumane i-oksijeni eninzi, ikhuphe ngokukhawuleza amanzi angaphezulu, igweme ukwanda kwebhaktheriya kunye nokubola kweengcambu ezibangelwa ukugqithisa, kunye nokudala indawo yokukhula ezinzileyo yokutyala nokukhula.