Kuverenga kwehuwandu hwemvura iri mugomba risina kukwana .
Ndapota kombidze hukuru mumamirimita
D - mudziyo dhayamita
H - mvura pamwero
L - kureba kwemudziyo
Chirongwa ichi chichaverenga huwandu hwemvura iri mugomba, huwandu hwese uye hwakasununguka, uye nzvimbo dzepamusoro.