1. Izimakinaamagwiritsidwa ntchito kwambiri popanga zolemba ndi mapepala, monga mapepala ndi zikopa zopangira, mapepala ndi nsalu, etc.
2. Kugwiritsa ntchito guluu wapawiri, ndi chosindikizira cha bulangeti lamba, pakati kulandira, mpukutu ndi gudumu lowongolera ndi gudumu, makina odulira mapepala, etc., kupanga mpukutuwo, kukwanira, kupukuta kosalala, kowoneka bwino, kugonjetsa makwinya a pepala. mu makina ambiri, kusintha khalidwe mankhwala.