#life_jacket__life_vest__cork_jacket  life preserver consisting of a sleeveless jacket of buoyant or inflatable design
  supertype:  life_preserver__preserver__flotation_device__flotationdevice  rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
  subtype:  air_jacket__airjacket__Mae_West  an inflatable life jacket

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