main-line : 37 phrases in 14 subjects |
Agriculture | 1 |
Automated equipment | 3 |
Chemistry | 1 |
Computers | 2 |
Electronics | 2 |
General | 2 |
Industry | 1 |
Information technology | 1 |
Linguistics | 1 |
Mechanic engineering | 2 |
Metallurgy | 1 |
Rail transport | 1 |
Statistics | 1 |
Transport | 18 |