pressurized helmet

  • 21Cabin pressurization — is the active pumping of compressed air into an aircraft cabin when flying at altitude to maintain a safe and comfortable environment for crew and passengers in the low outside atmospheric pressure.Pressurization is essential over 3,000 m (10,000 …

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  • 22Alien (creature in Alien franchise) — This article is about the creature from the Alien film series. For other fictional aliens, see Extraterrestrial life in popular culture. For other uses, see Alien (disambiguation). Alien An Alien in Alien vs. Predator Classification …

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  • 23Fire hydrant — in Charlottesville, Virginia, USA A fire hydrant (also known colloquially as a fire plug in the United States or as a johnny pump in New York City, because the firemen of the late 19th century were called Johnnies[ …

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  • 24F-35 Lightning II — Infobox Aircraft name=F 35 Lightning II caption = The F 35 Lightning II takes off for its first flight at Naval Air Station Fort Worth Joint Reserve Base on 15 December 2006. type=Stealth multi role fighter manufacturers=Lockheed Martin… …

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  • 25List of hollows in Bleach — This is a list of characters in the anime and manga series Bleach who are are the ten strongest arrancar in Sōsuke Aizen s army. They are ranked in order of their strength. The members are listed according to their known rank. The first three… …

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  • 26MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …

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  • 27STS-115 — Infobox Space mission mission name = STS 115 insignia = STS 115 patch.svg shuttle = Atlantis crew members = 6 launch pad = LC 39B launch = 2006 09 09 15:14:55 UTC landing = 2006 09 21 10:21:30 UTC duration = 11 days, 19 hours, 6 minutes and 35… …

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  • 28Flight suit — situations, for its practicality.HistoryAs aviation developed in unheated open cockpits, the need for warm clothing quickly became apparent, as did the need for multiple pockets with closures of either buttons, snaps, or zippers to prevent loss… …

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  • 29List of spaceflight-related accidents and incidents — Death in space redirects here. For death in specifically outer space conditions, see Space exposure. Space Shuttle Challenger disintegrates 73 seconds after launch, due to hot gases escaping the SRBs leading to structural failure of the external… …

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  • 30Apollo 13 — Infobox Space mission mission name = Apollo 13 insignia = Apollo 13 insignia.png stats ref = cite web |url=http://history.nasa.gov/SP 4029/Apollo 00g Table of Contents.htm |title= Apollo by the Numbers: A Statistical Reference (SP 4029)… …

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