#shipyard  a workplace where ships are built or repaired
  supertype:  #workplace__work  a place where work is done; "he arrived at work early today"
  part:  #dry_dock  #shipway
  subtype:  #navy_yard__naval_shipyard__navalshipyard  a military shipyard
     subtype:  #Charlestown_Navy_Yard  the navy yard in Boston where the frigate `Constitution' is anchored

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