Uburyo bwo kugabanya umubumbe bukoreshwa mugice cyo kohereza umuvuduko muke hamwe n’umuriro mwinshi, cyane cyane mugice cyo kuruhande rwimashini zubaka hamwe nigice kizunguruka cya crane umunara. Ubu buryo bwo kugabanya umubumbe busaba kuzunguruka byoroshye nubushobozi bukomeye bwo gukwirakwiza.
Ibikoresho byimibumbe nibice bikoreshwa cyane mukugabanya umubumbe. Kugeza ubu, ibisabwa kugirango ibikoresho by’imibumbe bigomba gutunganywa ni byinshi cyane, ibisabwa ku rusaku rw’ibikoresho ni byinshi, kandi ibyuma bisabwa kugira isuku kandi bitarimo burr. Iya mbere ni ibintu bisabwa; icya kabiri nuko umwirondoro w amenyo yibikoresho byujuje ubuziranenge bwa DIN3962-8, kandi umwirondoro w amenyo ntugomba kuba ucuramye, icya gatatu, ikosa ryizunguruka hamwe nikosa rya silindrike yibikoresho nyuma yo gusya ni muremure, kandi hejuru yumwobo wimbere .Hariho ibisabwa cyane. Ibisabwa bya tekiniki kubikoresho