Mpira Wodziwongolera
-
Mphete yamkati ili ndi njira ziwiri zothamanga, pamene mphete yakunja ili ndi msewu wozungulira wokhala ndi malo opindika a malo ozungulira ogwirizana ndi pakati pa chimbalangondo. Choncho, mphete yamkati, mpira, ndi khola zimatha kupendekera momasuka ku mphete yakunja. Chifukwa chake, kupatuka komwe kumachitika chifukwa cha kulakwitsa kwa makina a shaft ndi bokosi lonyamula kumatha kusinthidwa zokha.
The mkati mphete tapered dzenje kubala akhoza kuikidwa ndi lotchinga manja.