Answer
Mubiterane bya kashe ya mashini, isoko yumuraba itanga imbaraga za axial kugirango kashe ya kashe ihure. Niba isoko idasa 'iringaniye' (nukuvuga, uburebure bwayo bwubusa buratandukanye kuzenguruka), bizakoresha umutwaro utaringaniye. Ibi birema umwanya uhengamye mumaso ya kashe, biganisha kumubyimba wa firime udahuje ubunini bwamazi yatunganijwe kandi amaherezo yamenetse cyangwa amanota yo mumaso. Uburinganire bugenzurwa mugihe cy 'ubushyuhe-bushyizeho' aho amasoko azimye mugihe kimwe. Kwihanganira $ \ pm 0.005 $ inches kuri parallelism birasabwa kenshi. Mugihe cyo kwishyiriraho, umutekinisiye agomba kwemeza ko amazu adafite imyanda ishobora kugoreka isoko, kuko no kudahuza bito bishobora gukuba kabiri umuvuduko waho kuruhande rumwe rwa kashe.
