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[Subject: Generalities]
- That concerns flying.
Translated by: ROBERT GRIGOR BAXTER
Translated in 17 languages
[Subject: Water, Air, Space Transportation]
- Relative to aircraft.
Translated by: FARHAD PEZESHKI
Translated in 8 languages
[Subject: Aeronautics]
Translated by: GUEST USER
Translated in 7 languages