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NYCA News
2013-12-10, 11:10 AM
NYCAviation:

Under Pressure: The Ups and Downs of Flying High (http://feedproxy.google.com/~r/nycaviation/~3/CzEVDFZKflg/)

Flying high above the earth where the air is thin, the human body requires enough oxygen to keep it functioning. But how exactly are the necessary oxygen levels provided, and what happens when aircraft pressurization systems fail?http://feeds.feedburner.com/~r/nycaviation/~4/CzEVDFZKflg
[Click to Read Full Article (http://feedproxy.google.com/~r/nycaviation/~3/CzEVDFZKflg/)]