#rotating_shaft__shaft  a revolving rod that transmits power or motion
  supertype:  rod  a long thin implement made of metal or wood
  part of:  rotating_mechanism
  subtype:  camshaft  has cams attached to it
  subtype:  crankshaft  a rotating shaft driven by (or driving) a crank
  subtype:  driveshaft  a rotating shaft that transmits power from the engine to the point of application
  subtype:  mandrel__spindle__mandril__arbor  any of various rotating shafts that serve as axes for larger rotating parts
  subtype:  transmission_shaft  rotating shaft that transmits rotary motion from the engine to the differential

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