Roller shaft yakatenderedza aluminium chubhu dhayamita 28mm yakajairwa yakakwira simba aluminium lean chubhu anodized aluminium alloy chubhu yeKarakuri system.
Isu tisu mugadziri wemachubhu ealuminium.Zvigadzirwa zvedu zvinotengeswa zvakananga kubva kumafekitari.Nemitengo yakaderera uye kutakura kukuru, isu tiri sarudzo yakanakisisa kune vatengesi.