How does liquid nitrogen cooling work?

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Tags

1. #solid
2. #temperature
3. #freezing
4. #vacuum
5. #cooling
6. #plunging
7. #pumped
8. #slush
9. #point
10. #reduced
11. #readily
12. #placing
13. #chamber
14. #alone
15. #rather
16. #faster
17. #liquid
18. #object
19. #nitrogen
20. #obtained