Ubwino wa mankhwala ake ndi
1. Ndi yoyenera kumalo apansi ndi chinyezi, ndipo imatha kupirira kutentha kwambiri komanso kutentha kochepa kwambiri.
2. Ili ndi mphamvu zotsutsana ndi kusokoneza.Ngati chitoliro chachitsulo chokhala ndi pulasitiki chikugwiritsidwa ntchito ngati chingwe cha chingwe, chimatha kuteteza kusokoneza kwa chizindikiro chakunja.
3. Mphamvu yonyamula mphamvu ndi yabwino, ndipo kuthamanga kwambiri kumatha kufika 6Mpa.
4. Ntchito yabwino yotchinjiriza, ngati chubu choteteza waya, sipadzakhalanso kutayikira.
5. Palibe burr ndipo khoma la chitoliro ndi losalala, lomwe ndi loyenera kulumikiza mawaya kapena zingwe pakumanga.