#cargo_ship__cargoship__cargo_vessel__cargovessel  a ship design to carry cargo
  supertype:  ship  a vessel that carries passengers or freight
  part:  freeboard_deck
  subtype:  banana_boat  a ship designed to transport bananas
  subtype:  freighter__bottom__merchantman__merchant_ship  a cargo ship; "they did much of their overseas trade in foreign bottoms"
  subtype:  cattleship__cattle_boat  a cargo ship for the transport of livestock
  subtype:  container_ship__containership__containership  a cargo ship designed to hold containerized cargoes
  subtype:  Liberty_ship  a slow cargo ship built during World War II
  subtype:  oil_tanker__oiltanker__oiler__tanker__tank_ship  a cargo ship designed to carry crude oil in bulk
     subtype:  supertanker  the largest class of oil tankers

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