Isuku y'ibyondo, nanone yitwa imashini-imwe-imwe yo kumanura no kuyangiza, nigikoresho cya kabiri nicyiciro cya gatatu cyo kugenzura ibintu bikomeye byo gutunganya amazi yo gucukura, ahuza inkubi y'umuyaga, kwangiza inkubi y'umuyaga hamwe na ecran ya ecran nkibikoresho bimwe byuzuye. Hamwe nimiterere yoroheje, ingano ntoya nibikorwa bikomeye, nuguhitamo kwiza kubikoresho bya kabiri na kaminuza bikomeye byo kugenzura.