construction

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Across
  1. 5. being on time
  2. 6. 24 inches
  3. 9. adding two numbers
  4. 10. makes things smooth
  5. 11. protect the eyes
  6. 12. top of the fraction
  7. 14. talking is a type
  8. 16. hits nails
  9. 17. protects heads
  10. 18. thing that gets hit by the hammer
  11. 19. combination of a table and a saw
Down
  1. 1. dividing 2 numbers
  2. 2. multiplying two numbers
  3. 3. construction____
  4. 4. comes from a tree
  5. 7. protect the hands
  6. 8. bottom of the fraction
  7. 13. subtracting two numbers
  8. 15. is a type of wood
  9. 17. a saw that you use manually