Measure out and mark a distance of 100 meters on the ground to be sprayed. Select the right walking speed/gear and engine revolutions for spraying. Measure the time in seconds it takes to travel 100 meters with half full sprayer
Yezani ndi kuyika chizindikiro pantunda wa 100m pansi pomwe mukufuna kupopera. Sankhani kathamangidwe popopera. Yezani nthawi yomwe mwatenda kuyenda 100m ndi sprayer yodzadza theka