Makina opangira opaleshoniwa amapangidwa ku China ndipo adapangidwa kuti azipereka chithandizo chowongolera kupuma kwa odwala omwe ali ndi opaleshoni.Zili ndi luso lowunikira komanso losavuta kugwiritsa ntchito ndikulisamalira.Yoyenera kugwiritsidwa ntchito m'zipatala ndi zipatala, mpweya wabwinowu umapangidwa ndi zida zapamwamba kwambiri kuti zikhale zolimba komanso zodalirika.