A tug then pulls or pushes the pontoon into the hold area of the dock ship, which is flooded down, and which then is de-ballasted so that it rises out of the water, carrying the pontoon and load with it, ready for the sea voyage.
Isithuthi sokutsala ngoko sitsalela okanye sithyale isikhitshane esinomphantsi othe tyaba kwindawo yokubamba kwidokisi lenqanawa le iphuphumela phantsi engenawo amaplanga amakhulu ukuze izokukwazi ukuphumela ngaphandle kwamanzi iphethe isikhitshane esinomphantsi othe tyaba sinomthwalo ngaphantsi silindele olohambo ngolwandle