Wood Properties and End Use

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Across
  1. 4. Covered with veneer to improve appearance
  2. 7. Freshen something up again
  3. 10. Mainly used in flatpack furniture
  4. 13. Maintaining something for a long time
  5. 16. Contains natural oils
  6. 18. Waterproofs versions are available
  7. 19. To discolour something
  8. 20. Used to create a WW2 aircraft
Down
  1. 1. Softwood is used to make this
  2. 2. Comes from evergreen trees
  3. 3. Available in multiple colours
  4. 5. Means to shed leaves annually
  5. 6. Thin sheets of wood
  6. 8. Weighing less than average
  7. 9. Placed in a particular group
  8. 11. Controlling something
  9. 12. Made out of wood pulp
  10. 14. Hardwood is used to create this
  11. 15. Is unprotected and can absorb moisture
  12. 17. Has similar properties to wood