Kubvinina kana kudzinina (Percolate) izwi rinodudza chiro chinotendera mvura kana umwe mutuvi kuti uny'atire uchipinda mumhande yechiro ichi kudzamara mvura iyi yabuda kune rimwe divi. Kana ukachera gomba mujecha riri pamahombekombe erwizi mvura inobvinina ichipinda mugomba iri.