Ucango lomthi olungenamlilo luneempawu zokuthambisa okugudileyo, inkangeleko entle, ukuvulwa okuguquguqukayo, ukuqina, ukusetyenziswa ngokulula kunye nokuthembeka. Umthi womlilo wokhuni awukho umthi oqhelekileyo, kodwa ukhuni olungenakunqandwa ngumlilo, onokuhlangabezana neempawu zokushisa ukushisa, ukumelana nomlilo kunye nokuzinza njengezinye iingcango zomlilo.