Just a Normal Crossward of Myself

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Across
  1. 3. number
  2. 4. bomb
  3. 5. knife
  4. 10. circumference
  5. 11. parallel
  6. 13. money
  7. 15. benefit
  8. 17. pascal
  9. 18. rope
  10. 19. axe
Down
  1. 1. algebra
  2. 2. stun gun
  3. 6. computer
  4. 7. gun
  5. 8. rainbow
  6. 9. megapascal
  7. 10. blackmail
  8. 12. ratio
  9. 14. 3.14
  10. 16. arrow