1. Mphamvu yopangira imakwaniritsa zofunikira pakupanga.
2. Kugwira ntchito bwino pofufuza zinthu kumakwaniritsa zofunikira pakuwunika zinthu ndi kupukuta zinthu.
3. Makina oyeretsera ayenera kukhala ndi ntchito yoletsa kutsekeka panthawi yogwira ntchito.
4. Makina oyeretsera ayenera kugwira ntchito mosamala komanso kukhala ndi mphamvu yodzitetezera ku ngozi.
5. Nthawi yomweyo, ili ndi ntchito ziwiri zozembera nsalu.