Ukusetyenziswa kweWheel yokuNyuka kwisitulo esinamavili sokuNyuka kwizinyuko

Isitulo esinamavili sokunyuka izinyuko sibhekisa kwisitulo esinamavili esikhethekileyo esinokunceda abantu abanokuhamba okucuthiweyo ukuba banyuke baphinde bahle izinyuko. Izitulo ezinamavili ngokubanzi zinokuhamba kuphela kumhlaba osicaba. Kwabanye abantu ekufuneka benyukele phezulu ngaphandle kwezinyusi kwaye abakwazi ukuhambisa imilenze kunye neenyawo zabo ngokuqhelekileyo, kufuneka banyuke izinyuko ezinamavili. Amaqela amabini amavili amakhulu ngaphambili kwiIvili lokunyukazineebheringi kumphezulu womzimba wevili, zilandelwa ngamavili amancinci; kodwa azikho iivili ngasemva; ngaphezu kwamavili, kukho amaqela amaninzi abonakala enzima i-shaft shafts, Ezinye zezi seti ze-shaft ze-drive zidibene kunye neeseti ezimbini zamavili angezantsi, kwaye ezinye zidibene nesihlalo phezulu; phambi kwesitulo esinamavili, kukho izinto zovuyo ezimbini ezifana nokuhanjiswa kwemoto.