Ukuze sinqume ukuthi ama-bearings asusiwe angasetshenziswa kabusha, ngemva kokuhlanza, sidinga ukuhlola ngokucophelela indawo yomjaho , i-rolling surface kanye nephethini yokugqoka yekheji elithwalayo.Uma ibhereli inokukhubazeka okulandelayo , ngeke isakwazi ukusetshenziswa.1.Noma iyiphi indandatho ephumayo...
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