#fan  a device for creating a current of air by movement of a surface or surfaces
  supertype:  device  an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
  subtype:  electric_fan  exhaust_fan  punkah
  part of:  engine_cooling_system__cooling_system__coolingsystem  equipment in a motor vehicle that cools the engine
     part of:  motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails

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