Onetsetsani kuti makina oyenerera ndi mitedi yathu ya NV Aser Valve adzutsa makapu a mafuta. Zopangidwa kuti zikhale zodalirika komanso kuwongolera mafuta, kuthira mafuta kumapereka ntchito mosalekeza, ku malo osinthika ku makina osokoneza bongo, kuchokera ku zida zowoneka bwino - zida za mafakitale. Magalasi owoneka bwino amalola kuwunika kosavuta kwamafuta onse ndi kutsika kwa ma drip, omwe amathandizira apange nthawi yeniyeni ndikuletsa nthawi yopuma; mafuta kapena zinyalala.