#high_gear__high  a forward gear with a gear ratio giving high vehicle velocity for a given engine speed
  supertype:  gear_mechanism__gear  a mechanism for transmitting motion by gears for some specific purpose (as the steering gear of a vehicle)
  subtype:  overdrive  a high gear used at high speeds to maintain the driving speed with less output power
  part of:  car__auto__automobile__machine__motorcar  4-wheeled motor vehicle; usually propelled by an internal combustion engine; "he needs a car to get to work"

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