 |
| telephone switching: 41 phrases in 12 subjects |
| Computers | 1 |
| Construction | 3 |
| Electronics | 1 |
| Household appliances | 4 |
| Makarov | 7 |
| Mass media | 2 |
| Military | 7 |
| Rail transport | 1 |
| Seismology | 1 |
| Shipbuilding | 1 |
| Technology | 3 |
| Telecommunications | 10 |
|
| telephone switching: 41 phrases in 12 subjects |
| Computers | 1 |
| Construction | 3 |
| Electronics | 1 |
| Household appliances | 4 |
| Makarov | 7 |
| Mass media | 2 |
| Military | 7 |
| Rail transport | 1 |
| Seismology | 1 |
| Shipbuilding | 1 |
| Technology | 3 |
| Telecommunications | 10 |