Putki : 61 phrases in 15 subjects |
Agriculture | 1 |
Chemistry | 3 |
Coal | 1 |
Communications | 5 |
Earth sciences | 2 |
Electrical engineering | 9 |
Environment | 5 |
General | 1 |
Industry | 23 |
Mechanic engineering | 3 |
Metallurgy | 1 |
Microsoft | 1 |
Patents | 1 |
Technology | 1 |
Transport | 4 |