is filled with air so that the airplane passenger can breathe
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Answer: In most airliners, air is compressed by the engines, cooled by the air conditioning system and then sent to the cabin. Fresh air can also be routed to the cabin from a small jet engine in the back of the airplane, known as an auxiliary power unit, or via a hose when at the gate.
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teri bhan ko naman jai hind jai hind jai bharat
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