● Isetshenziselwa ukunamathisela amathayi angenamapayipi nangenamapayipi ngamarola okulungisa.
● Umklamo oqinisiwe, ipuleti lensimbi lekhwalithi ephezulu, livimbela isibambo ukuthi singawi.
● Yenziwe ngesibambo sokhuni/sepulasitiki, iyasebenza, i-ergonomic, futhi kulula ukuyilungisa.
● Isetshenziselwa ukukhipha ipayipi langaphakathi kanye nepheshi lamasondo kanye nokususa amabhamuza omoya angaphakathi ukuqinisekisa ukubopha okuhle kanye nokuvala phakathi kwepheshi nesondo. Isetshenziswa njengethuluzi lokuthungela ipheshi lamasondo.
● Ama-bearings asezingeni eliphezulu enza i-roller roll ibe lula futhi iguquguquke.
● I-roller yerabha iqinile futhi ayilimazi amathayi, futhi uhlaka lwebha yensimbi engagqwali luqinile futhi akulula ukuwa.