Vanhu varikuita zvakasiyana vamwe vari kufamba, vamwe vari kuratidza kuti vari mubishi kurongedza zvinhu pamatafura, sezvo pachiratidza kuti pari kutengeswa zvinhu zvakasiyana zvinosanganisira mahanyanisi emasharotsi nesoda nokuti pane chikwangwani chakatonyorwa kunzi soda.