Igipapuro kibase, cyane cyane gikozwe mu cyuma, muri rusange kiba kimeze nk'igitereko kiringaniye gifite umwobo hagati
Ongera aho uhurira hagati ya screw na mashini.Kuraho ibyangiritse kuri padi hejuru yimashini mugihe cyo gupakurura imigozi.Igomba gukoreshwa hamwe na pisine hamwe na padi iringaniye, hamwe na padi iringaniye kuruhande rwimashini hamwe na pisine iri hagati yigitereko nimbuto.