Thibelo ea likhohola tsa hydrodynamic e entsoe ka likarolo tse tharo: foreimi ea fatše, phanele e potolohang le karolo ea ho tiisa lebota, e ka kenngoa kapele monyako le ho tsoa ha meaho e ka tlas'a lefatše. Li-module tse haufi li arotsoe ka mokhoa o feto-fetohang, 'me lipoleiti tsa rabara tse tenyetsehang mahlakoreng ka bobeli li tiisa hantle le ho hokahanya phanele ea likhohola le lebota.