Mining timber, its use and preservation

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Across
  1. 3. prevent something from happening or stop it from growing.
  2. 6. add salt, pepper, or other spices to make food taste better.
  3. 7. the smallest unit of a living thing that can function on its own.
  4. 8. slowly break down and become rotten over time.
  5. 9. heat and light that comes from something burning.
  6. 12. completely full of a liquid or substance.
  7. 16. show something that was hidden or covered up.
  8. 17. cover something with a layer of paint or another material.
  9. 18. covered in water or another liquid.
  10. 19. hot vapor that rises when water boils.
Down
  1. 1. protect and save resources like water or energy.
  2. 2. a substance that can cause sickness or death if swallowed or touched.
  3. 4. press something firmly between your fingers or hands.
  4. 5. use more of something than you need and not save it for later.
  5. 7. press or squeeze something so hard that it breaks into small pieces.
  6. 10. fill something with a substance so it becomes part of it.
  7. 11. without any water or moisture.
  8. 13. take care of an illness or injury by giving medical help.
  9. 14. wood that is used for building houses or making furniture.
  10. 15. small animals with six legs and usually wings.