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control switch : 32 phrases in 13 subjects |
| Automated equipment | 2 |
| Communications | 2 |
| Computer numerical control | 1 |
| Electrical engineering | 3 |
| Electricity generation | 1 |
| Electronics | 3 |
| Information technology | 4 |
| Materials science | 1 |
| Measuring instruments | 3 |
| Mechanic engineering | 3 |
| Metallurgy | 1 |
| Technology | 2 |
| Transport | 6 |