#dry_dock__drydock__graving_dock__gravingdock  dock from which water can be pumped out
  supertype:  dockage__dock__docking_facility__dockingfacility  landing in a harbor next to a pier where ships are loaded and unloaded or repaired; may have gates to let water in or out; "the ship arrived at the dock more than a day late"
  subtype:  floating_dock  dry dock that can be submerged under a vessel and then raised
  part of:  shipyard  a workplace where ships are built or repaired

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