Izibandisi zamanzi zidlala indima ebalulekile ekuhlinzekeni ukulawula izinga lokushisa okuzinzile kwemishini nezinsiza ezahlukahlukene. Ukuqinisekisa ukusebenza kahle, ukuqapha okusebenzayo kubalulekile. Isiza ekutholweni ngesikhathi kwezinkinga ezingase zibe khona, kuvinjwe ukuqhekeka, nokuthuthukisa amapharamitha okusebenza ngokuhlaziywa kwedatha ukuze kuthuthukiswe ukusebenza kahle kokupholisa nokunciphisa ukusetshenziswa kwamandla.