switching point: 71 phrases in 18 subjects |
Astronautics | 2 |
Automated equipment | 3 |
Cement | 1 |
Communications | 2 |
Construction | 5 |
Electrical engineering | 3 |
Electronics | 1 |
Information technology | 1 |
Makarov | 1 |
Mass media | 9 |
Mathematics | 1 |
Military | 6 |
Mining | 1 |
Programming | 1 |
Rail transport | 12 |
Technology | 10 |
Telecommunications | 11 |
Telephony | 1 |