3. Zingwe zapamapewa zimatha kusintha: Zomangira ndi zomangira pachifuwa zimakwanira bwino chikwamacho ndikuletsa kuti zisasunthe.Zingwe zazikulu za mauna zimathandizira kuchepetsa katundu wamapewa ndipo ndiabwino pofufuza zachilengedwe ndi zochitika zakunja
4. Ziphuphu ziwiri ndi matumba 3: Wokonzekera ali ndi zigawo zitatu, imodzi ya thumba la botolo la madzi ndi matumba awiri a zinthu monga mafoni a m'manja, zikwama ndi makiyi.Kunja kuli thumba la mauna la matawulo onyamulika, kuti anthu okonda masewera azimasuka.
5. [Ergonomic design] 2 lita madzi thumba ketulo chikwama kuwala ndi kukana otsika.Buluu ndi imvi ndi za amuna ndi akazi.