Key vocabulary - Crossword

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Across
  1. 4. the steering bar of a bicycle
  2. 6. a new thing or process
  3. 7. a device that makes a vehicle go slower
  4. 8. circular object connected to an axle
Down
  1. 1. small part of the bicycle pushed with the foot
  2. 2. seat of the bicycle or motorcycle
  3. 3. official register of an invention
  4. 5. rubber ring fitted around the wheel