|
error block : 52 phrases in 15 subjects |
| Communications | 1 |
| Computer networks | 3 |
| Computers | 2 |
| Electronics | 2 |
| Information security and data protection | 1 |
| Information technology | 7 |
| Makarov | 2 |
| Mass media | 7 |
| Military | 1 |
| Programming | 2 |
| Statistics | 1 |
| Technology | 7 |
| Telecommunications | 14 |
| Telemechanics | 1 |
| Transport | 1 |