switch operation: 36 phrases in 15 subjects |
Automated equipment | 2 |
Aviation | 1 |
Caspian | 2 |
Construction | 1 |
Electrical engineering | 2 |
Electronics | 1 |
Information technology | 2 |
Mass media | 2 |
Oil and gas | 4 |
Production | 3 |
Programming | 2 |
Rail transport | 2 |
Surgery | 1 |
Technology | 7 |
Telecommunications | 4 |