Kugeza ubu, ibisanzwe bikoreshwa cyane guhuza abadafite akazi harimo cyane cyane guteranya guhuza abadafite icyo bakora, guhuza abadafite aho bahurira, hamwe no kudakora neza.Umurongo wo hagati wabatagira akazi nu murongo wo hagati wumukandara wa convoyeur uragororotse, umurongo wo hagati wuwudakora nu murongo wo hagati wumukandara wa convoyeur ntabwo ugororotse, kandi imizingo 3 yimigozi hamwe nuduce 2 duto duhagaze dushyira hejuru kwambukiranya, kandi hepfo yohasi ihujwe hagati.Ibiti byo hejuru no hepfo byahujwe hamwe na rezo yinyuma, kandi mugihe umukandara wa convoyeur uhujwe nabi, urumuri rwo hejuru rusunikwa kugirango ruzenguruke ruzengurutse umurongo ugana ku kintu runaka, muri iki gihe, umutegarugori uhuza akoresha asunika F kuri kuri umukandara wa convoyeur, uteza imbere umukandara wa convoyeur nyuma yo kudahuza kugirango uhite usubira aho wahoze, urangize gukosora mu buryo bwikora umukandara wa convoyeur utemewe, kandi urebe neza imikorere yibikorwa byumukandara.Irangwa no kongeramo ibyuma 2 byerekana ibyuma bishingiye ku guhuza imbere, bishobora kubangamira no gukumira imikandara ya convoyeur mu gihe habaye kudahuza bikomeye, guteza imbere guhuza umukandara wa convoyeur, no gukora ingaruka zo guhuza neza .