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The air needs to be pressurized so people can breathe normally. The most convenient way to do this is to use bleed air from the turbine compressors, but no-blee
by ericpauley 4y ago
The air needs to be pressurized so people can breathe normally. The most convenient way to do this is to use bleed air from the turbine compressors, but no-bleed systems (e.g., https://www.boeing.com/commercial/aeromagazine/articles/qtr_4_07/article_02_2.html https://www.boeing.com/commercial/aeromagazine/articles/qtr_...) are possible.