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The image contains a labeled diagram of a new technology plan to save Venice and a comparison table of a canal dredger and a coastal dredger. The diagram shows a dredging boat with labeled parts including hydraulic arms to lower centrifugal pump, suction pump, rotating blades, mud or slurry, and a large tube to carry mud leading to a shuttle boat towed out of the city for dumping. The table compares the two dredgers with the canal dredger having hull length of 22m, hull breadth of 6.89m, depth of 1.87m and area of operation in canal/lagoon; the coastal dredger has hull length of 85m, hull breadth of 14m, depth of 35m and area of operation in North Sea.
Given the complexity of the image, the above description may not be entirely accurate.
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The diagram visualizes how a canal dredger removes mud from canal beds, while the accompanying table compares its features with those of a coastal dredger.
The dredging process involves hydraulic arms lowering a centrifugal pump into the water. Rotating blades break up the mud or slurry at the bottom, and a suction pump draws it into a large tube. The mud is then transferred to a shuttle boat, which is towed away for disposal. This innovation allows canal cleaning without draining the water.
Based on the data, the canal dredger is smaller than the coastal dredger, with a hull length of 22 metres compared to 85 metres, and a breadth of 6,69 metres versus 14 metres. It also compares in shallower waters than the coastal dregder. The operational areas differ: canal or lagoon for the canal dregger, and the North Sea for the coastal dredger.
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