Is it OK to cover air vents?

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Tags

1. #damage
2. #doesn
3. #pushing
4. #system
5. #buildup
6. #insufficient
7. #those
8. #vents
9. #could
10. #cause
11. #closed
12. #cover
13. #because
14. #airflow
15. #pressure
16. #which
17. #knows