 |
|
signal wave : 35 phrases in 16 subjects |
| Automated equipment | 2 |
| Electronics | 2 |
| Geophysics | 4 |
| Household appliances | 1 |
| Information technology | 3 |
| Makarov | 5 |
| Mass media | 4 |
| Medical appliances | 1 |
| Metrology | 1 |
| Military | 1 |
| Nautical | 2 |
| Navigation | 1 |
| Non-destructive testing | 1 |
| Radio | 1 |
| Technology | 3 |
| Telecommunications | 3 |