Zapangidwira onse oyamba kumene komanso ogwiritsa ntchito apamwamba. Imalonjeza chitonthozo chapadera pamachitidwe oyenda komanso malo olimbitsa thupi. Mipando yokonzedweratu, ma backrests ndi zosankha ziwiri zogwirizira zimapangitsa kuti zikhale zoyenera kwa aliyense wogwiritsa ntchito, kupatsa ogwiritsa ntchito njira yophunzitsira yaukadaulo ya ab, Mawonekedwe okongola, alinso oyenera kwambiri pamasewera olimbitsa thupi.