control line : 25 phrases in 13 subjects |
Automated equipment | 6 |
Communications | 4 |
Electric traction | 1 |
Electronics | 2 |
General | 1 |
Immigration and citizenship | 1 |
Information technology | 3 |
Measuring instruments | 1 |
Mechanic engineering | 1 |
Metallurgy | 1 |
Mineral products | 1 |
Telecommunications | 1 |
Transport | 2 |