Arbor

In maritime context, an arbor is a rotating shaft used to suspend and rotate a ship's propeller during maintenance or repair. The arbor is typically mounted on a support structure and is connected to the propeller shaft via a coupling. Once the propeller is removed from the ship's shaft, it is mounted onto the arbor and rotated to allow for inspection, repair, or replacement of damaged blades or other components. The arbor is an essential tool for shipyards and maintenance crews to ensure the proper functioning of a ship's propulsion system.
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