Maulalo amchenga ochapira amatengera dongosolo la ma wheel kuti ayambitse ndikuchotsa zodetsa zomwe zimatsimikizira kuti mchenga usatsuke.
Ndi zoikamo zosintha zake komanso kugwiritsa ntchito mphamvu zochepa, makina athu ochapira ndi abwino kugwiritsa ntchito ntchito monga ntchito, migodi, ndi kupanga konkriti.
1. Kapangidwe koyenera komanso kukonza koyenera.
2. Kukonza kwakukulu, mphamvu yaying'ono yamagetsi.
3. Kuyeretsa kwakukulu, kuwonongeka kochepa kwa zida zotsukidwa.
4. Kugwiritsa ntchito ma drive drive, opaka mtima, komanso phokoso lotsika.