Answer
Kwiyubaka byikora bisanzwe bikoresha uburyo bwa 'plunger and sleeve'. Impeta ishyizwe mumaboko yapanze gahoro gahoro (imbere) cyangwa kwaguka (kubiturutse hanze) impeta nkuko plunger ayisunika yerekeza kuri ruhago. Imyitozo myiza irimo: 1) Kwemeza ko inguni ya taper yintoki ari ntoya (munsi ya $ 15 $ dogere) kugirango wirinde guhangayikishwa cyane nimpeta; 2) Gukoresha ibikoresho bikomye kandi bisizwe hejuru kugirango ugabanye ubushyamirane; 3) Gushyira mubikorwa ibyuma byerekana 'impeta ihari' kugirango umenye ibyabuze; na 4) Gushushanya igikoni hamwe nuyobora-chamfer kugirango byorohereze impeta 'gufata' ahantu. Gusiga neza igikoresho ni ngombwa kugirango wirinde 'galling' mugihe cyihuta cyane.