Ibyiza byumuvuduko mwinshi wibyuma bikonje bikonje:

Umuvuduko wo kubona urihuta, gukata neza birashimangirwa, kandi gukora neza ni byinshi; icyuma cyerekeranye nicyuma kiri hasi, igice cyumuyoboro wicyuma ugomba kubonwa ntigifite burrs, uburinganire bwukuri bwibikorwa byakozwe neza, kandi ubuzima bwumurimo wicyuma buraboneka cyane.

1. Uburyo bwo kubona bwo gusya bukonje bwakoreshejwe. Uburyo bwo kubona butanga ubushyuhe buke, bwirinda ihinduka ryimyitwarire yimbere nuburyo ibintu byaciwe. Muri icyo gihe, icyuma kibonye gifite umuvuduko muke ku cyuma, kitazatera urukuta rw'imiyoboro rudasanzwe.

2. Ubwiza bwibice byanyuma byurupapuro rwibikorwa bitunganijwe nicyuma cyihuta cyicyuma gikonje gikonje nicyiza: uburyo bwiza bwo gukata bwakoreshejwe, igice nyuma yo gukata kirasobanutse neza, nta burrs imbere no hanze, ubuso bwo gutema buroroshye kandi busukuye, kandi ntagikurikiranwa gikurikiranwa nka chamfering ya haed isabwa (kugabanya ubukana bwo gutunganya inzira ikurikira), ikiza inzira nibikoresho fatizo; igihangano ntikizahindura ibikoresho kubera ubushyuhe bwinshi buterwa no guterana amagambo; umunaniro wumukoresha ni muke, kandi imikorere yo kubona iratera imbere; nta kibatsi, nta mukungugu, nta rusaku mugihe cyo kubona; kurengera ibidukikije no kuzigama ingufu.

3. Ubuzima bumara igihe kirekire, urashobora gukoresha imashini isya ibyuma kugirango usya amenyo inshuro nyinshi, ubuzima bwumurimo wicyuma nyuma yo gusya ni kimwe nicyuma gishya. Kunoza umusaruro no kugabanya ibiciro.