Imashini ikora ububiko bwibikoresho ni umurongo wuzuye-wikora, ushobora gukora rack iremereye hamwe nubunini ntarengwa bwa 3mm.
Ububiko bwa rack ikora imashini ifite ibipimo bihanitse birashobora guhita bihindura urubuga. Bikora neza kandi birashobora kubyara ibicuruzwa byinshi.
Gira ibishushanyo byinshi bidasanzwe kugirango umenye neza ko gukubita neza n'uburebure bwa rack
Urupapuro rwa roller ni Cr12 ifite ireme ryiza kandi riramba rya serivisi.