Welcome to the 1520 Perfect Dictionary

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Black box (1)
BLACK BOX (1)

Definition: A small machine in a plane that records all the details of each flight and is useful for finding out the cause of an accident.
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See perfect recorder (1).
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See perfect machine (1).

See perfect equipment (1).
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See perfect usefulness.

See perfect bird strike.
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See perfect examination (2).
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See perfect airworthiness.
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See perfect CRASH LANDING.

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