Le divayisi isetshenziselwa ukulinganisa ukupholisa iphrofayela ethambile noma enenhlanganisela eqinile/eqinile, efana nomugqa wokuvala imoto, itheyiphu, ibhande lomphetho, njll.
Umsebenzisi wokugcina angakhetha ubude obuhlukile nokwakheka kwethangi ngokuya ngemininingwane ehlukile yephrofayili.
Eyethuinzuzo