Nzvimbo inoratidza kuti padhuze pane mugwagwa sezvo pane chikwangwani chakaratidza kuti mumugwagwa umu mune chidhunduru chinodaidzirwa nokunzi( hump). Mujinga umu murikubuda mudhuri wakakomberedza nzvimbo nemiti mikuru inosanganisira mijakaranda.