Answer
Kwishyiriraho intoki kuzenguruka impeta ikubiyemo 'guhinduranya' impeta mu gikoni ukoresheje intoki, ibyo bikaba bishoboka ku mubare muto ariko bikaba bishobora gutobora uruziga cyangwa kwagura impeta. Kubyara umusaruro mwinshi, mandel yafashwe hamwe nibikoresho bya plunger birakoreshwa. Mandel ishyirwa hejuru yigitereko, hanyuma impeta igasunikwa hejuru ya taper, igenda yiyongera buhoro buhoro kugeza igihe yinjiye mu gikoni. Inguni ya taper igomba kuba ntoya (mubisanzwe $ 15 $ - $ 25 ^ {\ umuzenguruko} $) kugirango igabanye imbaraga zisabwa kandi irinde impeta kurenga imipaka yayo. Kwaguka cyane mugihe cyo kwishyiriraho birashobora kuganisha kuri 'bidakwiriye' aho impeta idafashe hasi ya groove, bikagabanya ubushobozi bwihuta bwayo.