A fire detection system can be designed to trigger release of argon/CO2 and nitrogen in a building's air. When available oxygen is reduced to 15% (instead of the normal 21% or air), most materials will not ignite.

Books about Into Thin Air

When Jon Krakauer reached the summit of Mt. Everest in the early afternoon of May 10,1996, he hadn't slept in fifty-seven hours and was reeling from the brain-altering effects of oxygen depletion. As he turned to begin the perilous descent from 29,028 feet (roughly the cruising altitude of an Airbus

Hannah Lewis’s life is exactly where she thinks it should be. But when her girlfriend, Jordan, disappears into thin air and she and Jordan’s best friend, Nikki, are drawn closer in the search, she discovers that lovers can be strangers and perceived knowledge just as illusory. The more she learns,

More information to be announced soon on this forthcoming title from Penguin USA.