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precision instruments : 35 phrases in 15 subjects |
| Advertising | 1 |
| Astronautics | 1 |
| Aviation | 2 |
| Cartography | 1 |
| Construction | 4 |
| Electrical engineering | 1 |
| General | 2 |
| Geophysics | 2 |
| Makarov | 4 |
| Mathematics | 1 |
| Metrology | 1 |
| Military | 6 |
| Oil / petroleum | 1 |
| Technology | 7 |
| Transport | 1 |