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| English thesaurus | |||
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| Central coordinating agencies of the NAV CANADA altitude reservation service for eastern Canada | |||
| altitude: 40 phrases in 9 subjects |
| Commerce | 1 |
| Communications | 5 |
| Earth sciences | 1 |
| Information technology | 1 |
| Life sciences | 3 |
| Mechanic engineering | 1 |
| Medical | 7 |
| Technology | 2 |
| Transport | 19 |