#brake  a restraint used to slow or stop a vehicle
  supertype:  #restraint.device__constraint  a device that stops something from moving; "the car did not have proper restraints fitted"
  part of:  #wheeled_vehicle
  subtype:  #airbrake  a vehicular brake that operates by compressed air; especially for heavy vehicles
  subtype:  #brake_system__brakesystem__brakes__brake  brake consisting of a combination of interacting parts that work to slow a motor vehicle
     subtype:  #hydraulic_brake__hydraulicbrake__hydraulic_brakes  brake system in which a brake pedal moves a piston in the master cylinder; brake fluid then applies great force to the brake pads or shoes
        subtype:  #disk_brake__disc_brake  hydraulic brake in which friction is applied to both sides of spinning disk by the brake pads
        subtype:  #drum_brake__drum_brakes  hydraulic brake in which friction is applied to the inside of a spinning drum by the brake shoe
        subtype:  #foot_brake  hydraulic brake operated by pressing on a foot pedal
  subtype:  #coaster_brake__coasterbrake  a brake on a bicycle that engages with reverse pressure on the pedals
  subtype:  #hand_brake__emergency__emergency_brake__emergencybrake__parking_brake__parkingbrake  a brake operated by hand; usually operates by mechanical linkage

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