1. Ingilazi yekhava imbozwe phezu kwento esesilayidini sengilazi,
2. Ingagwema ukuthintana okuwuketshezi nelensi ewumgomo, ayingcolisi ilensi yenhloso,
3. Ingakwazi ukwenza ingaphezulu lamaseli abhekiwe endizeni efanayo, okungukuthi, ibanga elifanayo ukusuka kulensi yomgomo, ukuze isithombe esibukiwe sicace kakhudlwana.