1, I-roller enkulu noma izinhlobo ezithwalayo zokusekela
2, Ukudonswa kwe-capstan okuphindwe kabili nendawo ephathwayo ukumelana nokugqokwa okungcono.
3, Izangaphambili nezangaphambili ezihambisana nezidingo zekhasimende
4, Uhlelo lokulawula ugesi oluthuthukisiwe lwamazwe ngamazwe
5, Injini enamandla enebhokisi legiya elisebenza kahle kakhulu
I-6, i-stepless isilawuli sobude