Isipetu siqukethe umgqomo, i-plunger, i-gasket, umugqa wokuthweswa iziqu, ihabhu yenaliti, ishubhu yenaliti kanye nesivalo sokuvikela senaliti.I-30Unit noma i-100Unithi yokukhetha.
I-Barrel icace ngokwanele ukuvumela ukukalwa okulula kwevolumu equkethwe kusirinji nokutholwa kwebhamuza lomoya.
I-plunger ilingana kahle ngaphakathi komgqomo, ithembisa ukuvumela ukuhambahamba.
Ukuthweswa iziqu okuphrintwe ngoyinki ongacimeki emgqonyeni kulula ukukufunda.