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control rod : 138 phrases in 13 subjects |
| Automated equipment | 4 |
| Chemistry | 1 |
| Communications | 1 |
| Earth sciences | 9 |
| Electronics | 6 |
| Energy industry | 2 |
| General | 64 |
| Measuring instruments | 2 |
| Mechanic engineering | 35 |
| Nuclear physics | 7 |
| Physical sciences | 1 |
| Technology | 4 |
| Transport | 2 |