Lens

Ma wheel wheel njanji ndiye chinsinsi chowonetsetsa kuti masitima akuyenda bwino. Pokwaniritsa kupanga kwa ziro-chilema, opanga zida za njanji ayenera kuwongolera mosamalitsa gawo lililonse la njira yopangira, ndipo makina osindikizira oyenerera kuchokera pamakina opangira ma wheelset ndi chizindikiro chofunikira cha mtundu wa ma wheelset assembly. Ntchito zazikulu za mndandanda wazinthuzi zili m'munda wowunikira ndikuwunika.