Makina ozizirira omiza amadzimadzi amagwiritsa ntchito madzi osagwiritsa ntchito kuziziritsa zida zamagetsi, monga mafuta amchere kapena insulating fluid.Madziwo amasungidwa mu thanki kapena makina ena osindikizidwa.Zipangizo zamagetsi zimakonzedwa kuti zimizidwe ndi njira yomiza ndikumizidwa mumadzimadzi ndikukhazikika ndi njira yosinthira kutentha.