Putki : 51 phrases in 14 subjects |
Agriculture | 1 |
Chemistry | 2 |
Coal | 1 |
Communications | 2 |
Earth sciences | 2 |
Electrical engineering | 8 |
Environment | 1 |
General | 2 |
Industry | 22 |
Mechanic engineering | 3 |
Metallurgy | 1 |
Patents | 1 |
Technology | 1 |
Transport | 4 |