1. Yosavuta kugwiritsa ntchito, yotseguka pamwamba ndipo yotheka kuchotsedwa pansi 2. Zosavuta kukhazikitsa, sungani malo 3. Ntchito zambiri, zoyenera kusungira matumba a zinyalala ndi zophimba nsapato 4. Zipangizo za ABS zoteteza chilengedwe, zopanda fungo, komanso zotetezeka kugwiritsa ntchito