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sub -base : 20 phrases in 12 subjects |
Agriculture | 1 |
Airports and air traffic control | 1 |
Artillery | 1 |
Building materials | 1 |
Construction | 6 |
General | 1 |
Military | 2 |
Molikpaq | 3 |
Oceanography & oceanology | 1 |
Oil / petroleum | 1 |
Sakhalin | 1 |
Sakhalin R | 1 |