#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"
  part of:  engine_cooling_system
  subtype:  electric_fan__blower  a fan run by an electric motor
  subtype:  exhaust_fan__exhaustfan  a fan that moves air out of an enclosure
     subtype:  attic_fan__atticfan  a fan that blows hot air out of the attic of a building
  subtype:  punkah  a large fan consisting of a frame covered with canvas that is suspended from the ceiling; used in India for circulating air in a room

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