#foot_pedal__pedal__treadle__foot_lever  a lever that is operated with the foot
  supertype:  #lever  a rigid bar pivoted about a fulcrum
  subtype:  #accelerator_pedal  #brake_pedal  #clutch_pedal  #soft_pedal  #sustaining_pedal
  part of:  #bicycle__bike__wheel  a cycle that has two wheels; moved by foot pedals
  part of:  #motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails
  part of:  #pipe_organ__organ  wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard

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