work of the wood

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Across
  1. 2. plane what is an alternative to sandpaper
  2. 4. saw used to cut straight lines by hand
  3. 7. why do we use wood finish?
  4. 9. 160 grit sandpaper would be classed as what (low/fine/high)?
  5. 11. what would 60 grit sandpaper be classed as (rough/fine/high)?
  6. 14. which wood is made in factory?
  7. 16. hook used to help saw objects and usually on the end of a bench
  8. 19. what makes wood easy to clean?
  9. 20. what wood is harder to cut?
  10. 21. used to hollow out objects
Down
  1. 1. which wood is cheapest?
  2. 3. joint that is like the interlocking of fingers
  3. 5. what type of wood has needles not leaves?
  4. 6. what is good about manufactured board?
  5. 8. what wood rots quickly?
  6. 10. what are the two types of natural timber?
  7. 12. which wood is more strong?
  8. 13. what size does manufactured board come in?
  9. 15. square what tool does carpenter use to get a straight
  10. 17. wax/danish oil/varnish are all what?
  11. 18. what is the abbreviation of manufactured board?