#gas_tank__gastank__gasoline_tank  a tank for holding gasoline to supply a vehicle
  supertype:  storage_tank__storagetank__tank  a large (usually metallic) vessel for holding gases or liquids
  part of:  fuel_system  equipment in a motor vehicle or aircraft that delivers fuel to the engine
     part of:  aircraft  a vehicle that can fly
     part of:  motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails

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