1. Iyo uburebure bwa rivet ari burebure cyane, umutwe wa rivet ni munini cyane, kandi inkoni ya rivet yoroshye kuyigonda; Iyo uburebure bwa rivet ari bugufi cyane, ubugari bwa rivet ntibuhagije, kandi imiterere y'umutwe wa rivet ntabwo yuzuye, ibyo bigira ingaruka ku mbaraga no ku bwoko buto.
2. Uburebure bwa riveti ni burebure cyane cyangwa bugufi cyane si bwiza, ahubwo ni uburebure bukwiye gusa, kugira ngo haboneke ingaruka nziza zo kurivamo. Urugero: niba ubunini bwose bw'ibikoresho bibiri cyangwa byinshi ari mm 6, uburebure bwa riveti bugomba kuba mm 9.23-13.3. Muri iki gihe, ni byiza gukoresha riveti ifite uburebure bwa mm 12.
Umwanzuro:
Bivugwa ko 50% - 60% ari byo bigomba gufatwa nk'ibipimo ngenderwaho.
Igihe cyo kohereza: 14 Nyakanga-2021