Iyi mashini ikoreshwa mukuzuza ibintu bitandukanye byamazi, viscous fluid cyangwa ibicuruzwa byamazi menshi, nkamavuta yo guteka, amavuta ya lube, ibinyobwa, umutobe, isosi, paste, cream, ubuki, shampoo, detergent, pesticide, nifumbire ya Liquid nibindi igihe cyose bishoboka gutemba. Ifata pompe ya piston yuzuza moteri ya servo itwara neza kandi yoroshye guhindura amajwi. Hamwe na valve izunguruka kubicuruzwa byamazi byijimye cyangwa bigaragara neza hamwe na valve idahinduranya ibicuruzwa byamazi.