Why do they keep black boxes in water?

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Tags

1. #investigators
2. #dried
3. #after
4. #devices
5. #immersed
6. #ensure
7. #susceptible
8. #water
9. #properly
10. #laboratory
11. #contained
12. #removed
13. #order
14. #better
15. #successful
16. #recovery
17. #until
18. #being
19. #cleaned
20. #within
21. #corrosion
22. #especially