control line: 69 phrases in 20 subjects |
Analytical chemistry | 1 |
Automated equipment | 5 |
Automobiles | 2 |
Coal | 1 |
Communications | 7 |
Computers | 1 |
Earth sciences | 1 |
Electric traction | 1 |
Electronics | 9 |
General | 3 |
Information technology | 2 |
Measuring instruments | 3 |
Mechanic engineering | 2 |
Metallurgy | 2 |
Microelectronics | 14 |
Natural resourses and wildlife conservation | 2 |
Satellite communications | 1 |
Technology | 8 |
Telecommunications | 2 |
Transport | 2 |