Can dogs smell through airtight containers?

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Tags

1. #cannot
2. #metal
3. #ability
4. #although
5. #vacuum
6. #though
7. #things
8. #tends
9. #containers
10. #odors
11. #glass
12. #pretty
13. #porous
14. #inside
15. #signs
16. #friend
17. #sealed
18. #airtight
19. #sniff
20. #incredible
21. #smell