The tanks are then pumped out so that the ship rises out of the water again, and a second layer of barges can be floated in beneath those suspended from the deckhead.
Iitanki zivulelwe ukwenzela ukuba iinqanawa ziphumela ngaphandle kwamanzi kwakhona kwaye umaleko wesibini wesikhephe esinesinqe esikhulu ungajinga ngaphakathi kwezi ziyekiswe ukusuka kwiintloko zemigangatho.