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multiple switching: 41 phrases in 12 subjects |
Automated equipment | 5 |
Communications | 1 |
Construction | 1 |
Electrical engineering | 1 |
Electronics | 6 |
Information technology | 4 |
Mass media | 2 |
Military | 4 |
Rail transport | 2 |
Technology | 6 |
Telecommunications | 7 |
Transport | 2 |