Safety puzzle

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Across
  1. 2. move liquids with a glass tube
  2. 5. throw away
  3. 7. the right way to do things
  4. 12. correct
  5. 13. dangerous, combustion or burning
  6. 14. being told it is okay to do something
  7. 15. plan for carrying out a study
  8. 17. help
  9. 18. a hurt
  10. 20. Keep in safety and protect from harm
  11. 21. guidelines of safety to abide by
  12. 23. breathe in
  13. 25. a series of acts performed
Down
  1. 1. watch
  2. 3. put out fires
  3. 4. give permission
  4. 5. get rid of
  5. 6. made safe/removed from danger
  6. 8. most important
  7. 9. a gas or mist
  8. 10. keep from being hurt
  9. 11. grease or make slippery
  10. 16. place experiments are completed
  11. 19. Eye protection
  12. 22. danger
  13. 24. a bitter or burning liquid