Kuyesa kwa chingwe ndi njira yofunikira pakuyika magetsi, kuwonetsetsa kuti zingwe ndi zotetezeka, zogwirizana, komanso zimagwira ntchito. Mayesero monga Mayeso Okalamba ndi Fluke Test amagwira ntchito yofunika kwambiri powunika momwe zingwe zochepetsera magetsi zimagwirira ntchito komanso kulimba. Kuyesa pafupipafupi sikumangowonjezera chitetezo komanso kudalirika komanso kumathandizira kukulitsa nthawi ya moyo wa makina opangira ma cabling, pamapeto pake kupulumutsa ndalama ndikuchepetsa kusokoneza komwe kungachitike.