Iprojektha Umtshina wamehlo Isixhobo sokulinganisa umfanekiso Ukuqina koMvavanyi Umvavanyi wokutshiza ityuwa Umvavanyi woxinzelelo Tsala umatshini woVavanyo I-Spring Fatigue Tester Tsala umatshini woVavanyo Ifaka uMvavanyi wobomi bonke