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remote switching : 25 phrases in 10 subjects |
| Communications | 5 |
| Electrical engineering | 3 |
| Electronics | 5 |
| Information technology | 1 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Optics branch of physics | 1 |
| Satellite communications | 1 |
| Technology | 6 |
| Transport | 1 |