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zone-position : 20 phrases in 11 subjects |
| Aviation | 1 |
| Earth sciences | 3 |
| Electronics | 2 |
| Geophysics | 1 |
| Metallurgy | 3 |
| Navigation | 1 |
| Oil / petroleum | 2 |
| Project management | 1 |
| Radio | 2 |
| Space | 2 |
| Technology | 2 |
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