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Ibn Battuta is one of the strongest dredgers of her type. With a powerful spinning cutter head and a pair of heavy-duty cylinders called "spuds," She is capable of breaking up the hardest sub-sea soil. The spuds brace the ship in position while the cutter head's teeth grind away at the sea floor to deepen the Son Duong Port in Vietnam's poorest province.
Mighty Ships
Season 7
5
November 29, 2013
60 minutes