Why You Should Put Your Mask On First Hypoxia can settle quickly if you are 20’000 feet in the air so you gotta know the drill. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts France green energy project paves 1,000km of road with solar panels What Color Is a Mirror ? Is Dust Mostly Dead Skin? This Chinese Factory Makes $100,000 Architectural Models! 9 Futuristic Materials How This Guy Built a DIY Space Suit