Vehicle electrics revision

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Across
  1. 1. method of data transmission
  2. 3. inert gas
  3. 4. Darlington pair
  4. 6. two stage switching device
  5. 8. devises a code
  6. 12. non mechanical switch
  7. 15. moves does something
  8. 17. circuit protection
  9. 18. uses high and low signals
  10. 19. electrical pressure
Down
  1. 2. lamp filament
  2. 3. sensor used in abs
  3. 5. voltage through a coil produces
  4. 7. used inside starter motors
  5. 9. material used in photo sensitive cells
  6. 10. uses a piezo crystal
  7. 11. translates a code
  8. 13. current flow
  9. 14. current increase from a transistor
  10. 16. law of electrics