Official Answer
Answer
Kwishyiriraho intoki impeta zizenguruka (cyane cyane guhindukira) bikubiyemo 'kugenda' impeta mu gikoni, gishobora kurenga ku bikoresho niba impeta yaguwe cyane. Ibikoresho byikora byikora byifashisha plunger hamwe nintoki zafashwe (kuri bores) cyangwa mandel yapanze (kuri shafts). Igikoresho gahoro gahoro kandi kimwe cyaguka cyangwa kigasezerana impeta uko igenda. Ibi birinda 'gushiraho burundu' mukwemeza ko guhangayikishwa nibintu biguma munsi yumubare ugereranije $ \ sigma_p $. Mubikorwa byinshi byimodoka, ibikoresho byikora nabyo bitanga 'amakosa-yerekana' (Poka-Yoke) mukwemeza ko impeta yicaye byuzuye; Rukuruzi irashobora kumenya umwanya wanyuma wa plunger, yemeza ko impeta 'yafashe' muri ruhago.
