Nzvimbo yomudhorobheni inoratidza kuti inzvimbo yamabhizimusi. Pane chivakwa chiripo chine ruvara ruchena nerwesirivha, uye pane motokari iripo ine ruvara rwesirivha nekombi ine ruvara rwebhuruu noruchena iri kufamba mumugwagwa une ruvara rwakasvibira.