However, at present the materials used in manufacturing of tractors wear off very fast if not properly lubricated, run at desired temperature and clean environment
Komabe, panopa zipangizo zopangira ma tractor zimalala mwachangu ngati zilibe mafuta ofewetsera okwanira, komanso zikugwira ntchito mmalo otentha kapena ozizira kwambiri ndi osowa ukhondo