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Dragline excavator

This is a barge used for the transport and dumping of dredging or filling debris. It is made up of some central open-air containers on a floatable perimeter which are limited by sluices incorporated in the hull and operated by chains and winches, so that when these are opened they unload the material letting it fall. Depending on the size of the boat it will have one or various individually operated compartments. The dragline excavators are towed or autonomous and they can also be used for transporting rock material. They are loaded at the sides of the dredges or from quays when dealing with fillings.