My crossword

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Across
  1. 4. when you feel left out with no one to acompany
  2. 5. place the curved hand around
  3. 8. the joint between the forearm and the upper arm
  4. 12. something not able to be seen through
  5. 14. when two peices are pulled off
  6. 15. the sum added up all together
  7. 16. something you wear to be warm
  8. 17. the apex
  9. 21. a material that allows liquids or gases to pass
  10. 22. dealing with other countries
  11. 23. when someone comes to an end
  12. 25. a cruel or terrifying person
  13. 26. impervious to water
  14. 28. when something is knocked over
  15. 29. a surviving trace
  16. 30. the measurement of someone or something from head to foot
  17. 31. The present participle of plan
Down
  1. 1. capable of bending easily without breaking
  2. 2. a substance able to be dissolved, especially in water
  3. 3. your brother or sisters daughter
  4. 5. a clear transparent mineral
  5. 6. the process of drawing blood from the body by scarification and the application of a cupping glass
  6. 7. able to be seen through and is clear
  7. 9. decide on and make arrangements for in advance
  8. 10. someone very strong
  9. 11. a person who directs the performance of an orchestra or choir
  10. 13. to maintain health and preventing disease
  11. 14. a filling for a tooth
  12. 18. to come nearer and nearer
  13. 19. a material able to soak up liquid easily
  14. 20. a material that does not conduct electrical current
  15. 24. causing great enthusiasm and eagerness
  16. 27. offering resistance to something or someone