B

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Across
  1. 3. gas
  2. 5. straps for safety
  3. 7. burnt to give power
  4. 8. ability to move
  5. 10. self driving
  6. 12. rotating shaft
Down
  1. 1. unlocks
  2. 2. bears friction
  3. 4. to control
  4. 6. bags for safety
  5. 9. stop
  6. 11. lubrication