When clamped down by means of wing nuts working on threaded bolts hinged to the coaming, the hatch cover makes a watertight joint with the coaming.
Xa ibotshelelwe ngeenali ezise phikweni ezisebenza nyecbolilili ezinamaqweqwe ezibotshelelwa emphethweni, isigubungelo sesivalo senza ijoyinli eqinileye engangeni manzi.