 |
| |||
| service block (ssn) | |||
| maintenance unit | |||
| data service unit | |||
| service unit (oleg.vigodsky) | |||
| сервисный блок: 40 phrases in 8 subjects |
| Computer networks | 6 |
| Household appliances | 1 |
| Information technology | 1 |
| Mass media | 4 |
| Oil and gas | 1 |
| Programming | 13 |
| Technology | 1 |
| Telecommunications | 13 |