 |
| telephone service: 128 phrases in 25 subjects |
| Advertising | 1 |
| American usage, not spelling | 3 |
| Astronautics | 1 |
| Business | 1 |
| Communications | 7 |
| Computer networks | 6 |
| Computers | 3 |
| Construction | 1 |
| Electronics | 6 |
| General | 11 |
| Linguistics | 2 |
| Makarov | 5 |
| Mass media | 10 |
| Medical | 3 |
| Microsoft | 1 |
| Military | 11 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Programming | 1 |
| Rail transport | 2 |
| Sociology | 1 |
| Technology | 15 |
| Telecommunications | 30 |
| Telephony | 3 |