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| air traffic Aircraft moving in flight or on airport runways; air transportation | |||
| air traffic; air service; aviation; air transport service; air transport; en route air traffic | |||
| lufttrafik: 30 phrases in 6 subjects |
| Communications | 1 |
| Construction | 1 |
| Environment | 4 |
| General | 1 |
| Natural sciences | 1 |
| Transport | 22 |