Iilokhwe zineendlela ezahlukeneyo, iimpawu, kunye nokucutha okuphantsi onokuthi ube nombono. Ngezona milinganiselo zifanelekileyo zokunxiba ezidityanisiweyo, ungafikelela kuyo nayiphi na imodeli oyikhangelayo iprom, uthethathethwano, kunye neengqikelelo zomtshato. Iimodeli zokunxiba ezivenkileni zonyaka ngamnye zikulindile ngokhetho olubanzi lweemveliso kunye neengqokelela ezihlaziywa rhoqo.