Ɗaga tsayin abin hawa da haɓaka wucewar abin hawa ta hanyar ƙara tsayin magudanar ruwa da abin sha na ainihin motar. A lokaci guda kuma, bututu mai ɗaukar girgiza girgiza da magudanar ruwa suna ƙarfafa don sanya dakatarwar abin hawa ta zama mafi karɓuwa da juriya ga gajiya.