Madzi mu thanki yamafuta
Chimodzi mwa zifukwa zomwe zimayambitsa mavuto ndi kuyambitsa ndi kusagwirizana kwa injini ndi madzi omwe ali mumafuta.
Chakumapeto kwa autumn ndi nyengo yozizira, magalimoto ena omwe ali ndi luso labwino amakhala ndi vuto loyambitsa komanso kusagwira ntchito kwa injini. Chimodzi mwa zifukwa zomwe zimayambitsa zizindikiro zoterezi ndi madzi omwe ali mumafuta omwe amadyetsa injini. 
Madzi mumlengalenga amalumikizana nthawi zonse ndi thanki yomwe timatsanulira mafuta. Mpweya umalowa mmenemo kudzera mu mavavu ndi mizere yolowera mpweya. Mpweya umalowetsedwa mu voliyumu yotulutsidwa ndi mafuta ogwiritsidwa ntchito, ndipo nthunzi wamadzi umalowa nawo, womwe umayikidwa pamakoma ozizira a thanki, yomwe nthawi zambiri imakhala pansi pa galimoto kuseri kwa mpando wakumbuyo.
Kuchuluka kwa madzi osungidwa kumadalira zinthu zomwe thankiyo imapangidwira komanso pamwamba pa makoma okhudzana ndi mpweya. Popeza kuti zinthu za tanki zinasankhidwa ndi mlengi, kusamala kuyenera kutengedwa kuti mafuta azikhala okwera kwambiri. Osasiya thanki yamafuta itatsala pang'ono kutha kwa nthawi yayitali, chifukwa izi zipangitsa kuti madzi aunjike mu thanki.
