<prompt> Nyorai kupfuurira kweiyi ndima - Grevelingendam pakati peGoeree-Overflakkee neSchouwen-Duiveland yakapedzwa muna 1965. MaGravelingen aiva kumaodzanyemba kweGoeree-Overflakkee akanga achiri kubatana neNorth Sea. Nokudaro, mafashamo aigona kuva akakwirira zvikuru pano, naizvozvo madhamu akasimudzwa kurutivi rwokumaodzanyemba rwechitsuwa chacho muna 1965. Kuvakwa kweBrouwersdam kwakatanga pakarepo Gavelingendam yapera kuitira kupfupisa nguva yemafashamo makuru. Pashure pemakore anopfuura matanhatu, muchirimo cha1971, dhamu racho rakapedzwa. Pakati pa1964 na1971 kwakanga kwave kune mwero wemvura yakakwirira zvikuru. Muna November 1966 mvura yacho yakanga iri masendimita mashomanene chete pasi pomwero wemafashamo ane mukurumbira wakaipa aFebruary 1, 1953  <response>: . 