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Montage : 28 phrases in 15 subjects |
Agriculture | 1 |
Coal | 2 |
Communications | 2 |
Computer numerical control | 1 |
Construction | 2 |
Earth sciences | 1 |
Economy | 1 |
Electronics | 4 |
General | 2 |
Hobbies and pastimes | 2 |
Industry | 2 |
Materials science | 2 |
Mechanic engineering | 4 |
Medical | 1 |
Patents | 1 |