1.Amasuntswana afanayo, akukho luthuli;
2.Ukuchithwa okukhawulezayo, isiphumo esihle sokusasazeka, akukho kungcola okudadayo kunye nemvula;
3.Gqibezela i-oxidation emva kokufakwa kwemibala, isantya esikhawulezayo, ukukhawuleza kombala ophezulu, iziphumo ezingaphezulu zegradient