Kuyobora kabiriibikoresho by'inyo ninziga yinyo ni ubwoko bwibikoresho bikoreshwa mugukwirakwiza amashanyarazi. Igizwe ninzoka, ikaba ari umugozi umeze nka silindrike igizwe n amenyo yumutwe, hamwe ninziga yinyo, nigikoresho gifite amenyo ahuza ninyo.
Ijambo riyobora kabiri ryerekeza ku kuba inyo ifite amenyo abiri, cyangwa imigozi, izenguruka kuri silinderi ku mpande zitandukanye. Igishushanyo gitanga igipimo kinini cyibikoresho ugereranije ninzoka imwe, bivuze ko uruziga rwinzoka ruzunguruka inshuro nyinshi kuri revolution yinyo.
Ibyiza byo gukoresha inzoka ebyiri ziyobora ninziga yinyo nuko ishobora kugera ku gipimo kinini cyibikoresho mugushushanya, bigatuma bigira akamaro mubisabwa aho umwanya ari muto. Nukwifunga, bivuze ko inyo ishobora gufata uruziga rwinzoka mu mwanya udakeneye feri cyangwa ubundi buryo bwo gufunga.
Uburyo bubiri bwinzoka ninzoka zikoreshwa muburyo bwimashini nibikoresho nka sisitemu ya convoyeur, ibikoresho byo guterura, nibikoresho byimashini.