a) Kupendekeka kwa 45 ° kumapereka mpando ndi ma cushions kumbuyo kwa ergonomic angle, ndipo phazi lalikulu la phazi limalola ogwiritsa ntchito kupeza malo oyenera ophunzitsira.
b) Roller imatengera kulimba kwambiri, chitsulo chokwera, zida zauinjiniya zosamva kuvala, kugudubuzika bwino panjanji yama slide kuti zitsimikizire masewera osalala.
c) Ndi chivundikiro chachitetezo champhamvu cha pulasitiki chotchingira chotchinga.
d) chimango champhamvu ndi pulley kuonetsetsa kuyenda bwino.
e) Ndi njira zochepetsera zowonetsetsa chitetezo cha ophunzitsa.
