Holes in the lower portion of a bulwark, which allow deck wash to drain off into the sea. Some freeing ports have swinging gates which allow water to drain off but which are automatically closed by sea-water pressure.
Imingxuma kumazantsi odonga lokukhusela avumela amanzi achithakele elwandle. Eminye imingxuma ivulekela macala kodwa ihpindwe ivalwe ngamanzi olwandle.