Iqhaza lepuleti eliphansi lokuvikelwa kwebha yangaphambili yemoto: 1, ukuvikela izinto ezincane ukuthi zingahlehlisi zingene ekhefini lenjini ngesikhathi sokushayela, noma zithinta umsebenzi wenjini, lapho ugcina indawo evamile yenjini, ngenkathi igcina indawo evamile yenjini ihlanzekile; 2, lapho i-wading, ingavimba amanzi ukuthi agasele egumbini lokungena enjini, futhi avimbele ingxenye kagesi ekubeni imanzi ngamanzi futhi ibangele inkathazo.