Cholakwika ndi chiyani ndi ma bearings?Kodi kuthetsa izo?Pakugwiritsa ntchito mgodi wa chopondapo, nthawi zambiri pamakhala chogwirira nyundo, kuti nyundo yonyamula ndi chiyani?Chomwe chimatchedwa kuti kubera loko, ndiye mayendedwe a r ...Werengani zambiri»