|
signal code : 65 phrases in 21 subjects |
| Automated equipment | 1 |
| Aviation | 1 |
| Communications | 1 |
| Computers | 5 |
| Diplomacy | 2 |
| Economics | 1 |
| Electrical engineering | 1 |
| Electronics | 2 |
| Fish farming pisciculture | 2 |
| Household appliances | 2 |
| Information technology | 2 |
| Mass media | 2 |
| Military | 7 |
| Nanotechnology | 3 |
| Nautical | 4 |
| Notarial practice | 1 |
| Programming | 4 |
| Radio | 1 |
| Rail transport | 2 |
| Technology | 13 |
| Telecommunications | 8 |