qubu ea ho tjhaja 'marakeng e ka aroloa ka qubu ea ho tjhaja ea DC, qubu ea ho tjhaja AC le qubu ea ho tjhaja e nkehang ho latela mokhoa oa ho tjhaja. Ho feta moo, k'hamphani ea rona e boetse e fana ka lisebelisoa tsa ho tjhaja qubu, joalo ka adaptara, sethunya se nang le lihlooho tse peli, polokelo ea matla e nkehang, joalo-joalo.