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contact switching : 86 phrases in 17 subjects |
| Apollo-Soyuz | 1 |
| Astronautics | 6 |
| Automated equipment | 8 |
| Aviation | 2 |
| Construction | 2 |
| Electrical engineering | 11 |
| Electronics | 12 |
| Makarov | 8 |
| Mass media | 3 |
| Mechanics | 1 |
| Military | 2 |
| Nautical | 2 |
| Programming | 4 |
| Rail transport | 3 |
| Technology | 16 |
| Telecommunications | 3 |
| Transport | 2 |
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