What are some examples of compressional waves?

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Tags

1. #direction
2. #through
3. #medium
4. #particles
5. #another
6. #their
7. #either
8. #earthquake
9. #longitudinal
10. #compressional
11. #mediums
12. #example
13. #travel
14. #earth
15. #primary
16. #mechanical
17. #waves
18. #parallel
19. #respective
20. #sound
21. #while
22. #these
23. #constituting