Chikwama cha olumala ichi chapangidwa kuti chigwiritsidwe ntchito ndi anthu othamanga komanso oyenda ndi miyendo; anthu omwe amatha kupita kuntchito, kukagula zinthu, kuvina ndi kuchita masewera olimbitsa thupi. Chifukwa chake, chikukucho ndi chopepuka, champhamvu, chosinthasintha komanso chosavuta kuchigwiritsa ntchito. Kapangidwe kake ka ergonomic kamagwirizana ndi zosowa za anthu olumala 80% ndipo ndi koyenera kukhala chikuku cha olumala chamasewera osangalatsa chokhala ndi msana wocheperako. Makhalidwe ake ndi awa:
1. Yopepuka kwambiri: Imalemera makilogalamu 10 okha, zomwe zimathandiza anthu kusuntha mosavuta komanso n'zosavuta kusonkhanitsa ndi kusokoneza kuti zinyamulidwe mosavuta komanso kusungidwa mosavuta.
2. Angle Yokhazikika Yokhazikika: wogwiritsa ntchito amatha kukhazikitsa ngodya yabwino payekha kuti agwiritse ntchito chilichonse.
3. Mawilo Otulutsa Mwachangu: Mawilo amatha kusonkhana ndikuchotsedwa mkati mwa masekondi - ndikosavuta kwambiri.
4. Monocoque ya Handrail ndi Rim: Kudzera mu kapangidwe ka uinjiniya, mphete ya handrail ndi rim ya gudumu zimaphatikizidwa kukhala gawo limodzi.
5. Ngodya ya Wheel Axle Yosinthika: Ngodya ya wheel axle ikhoza kusinthidwa kuchokera pa 0°, 2°, 4° ngati pakufunika kutero.