lek : 27 phrases in 14 subjects |
Chemistry | 4 |
Communications | 1 |
Earth sciences | 1 |
Electronics | 4 |
Energy industry | 1 |
Environment | 3 |
General | 3 |
Health care | 1 |
Industry | 1 |
Labor law | 2 |
Materials science | 1 |
Mechanic engineering | 3 |
Metallurgy | 1 |
Transport | 1 |