#handwheel  control consisting of a wheel whose rim serves as the handle by which a part is operated
  supertype:  #controller__control  a mechanism that controls the operation of a machine; "the speed control on his turntable was not working properly"; "I turned the controls over to her"
  subtype:  #steering_wheel  a handwheel that is used for steering
  part of:  #lathe  machine tool for shaping metal or wood; the workpiece turns about a horizontal axis against a fixed tool
  part of:  #valve  control consisting of a mechanical device for controlling the flow of a fluid

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