control rod: 49 phrases in 12 subjects |
Automated equipment | 5 |
Communications | 1 |
Earth sciences | 2 |
Electronics | 2 |
Energy industry | 1 |
General | 13 |
Measuring instruments | 2 |
Mechanic engineering | 5 |
Nuclear physics | 9 |
Physical sciences | 3 |
Technology | 1 |
Transport | 5 |