basic electronics

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Across
  1. 3. need it to wrok
  2. 7. a little thing
  3. 9. buzzes
  4. 10. all everywhere
  5. 13. transits things
  6. 16. it help urea eyes
  7. 17. protection
Down
  1. 1. it brake thing
  2. 2. its long
  3. 4. cuts things
  4. 5. helps from getting diry
  5. 6. is evrywhere
  6. 8. it sticks
  7. 9. it needs charge
  8. 11. good
  9. 12. form of electricity
  10. 14. bad
  11. 15. resists things
  12. 17. turn on and off
  13. 18. problem