Cork

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Across
  1. 4. Put in the place of another; switch seemingly equivalent items.
  2. 6. Grow vigorously
  3. 8. To close an entrance or container so that air or liquid cannot enter or leave it
  4. 11. Protect from heat, cold, or noise
  5. 13. A strong hard building material
Down
  1. 1. To remove the upper layer
  2. 2. A man-made receptacle that houses a swarm of bees.
  3. 3. To make or do something again in exactly the same way
  4. 4. To push someone or something into a small space
  5. 5. Tending to float on a liquid or rise in air or gas
  6. 7. Young tree, tiny in size
  7. 9. Loose soil rich in organic matter
  8. 10. Outer membranous covering of some fruits or seeds.
  9. 12. To grow very well, or to become very healthy or successful.