 |
|
twenty-four-hours : 50 phrases in 19 subjects |
| Air defense | 1 |
| Astronautics | 5 |
| Aviation | 2 |
| Banking | 1 |
| Business | 1 |
| Diplomacy | 1 |
| Energy industry | 1 |
| General | 12 |
| Geophysics | 3 |
| Human resources | 1 |
| Makarov | 4 |
| Medical | 1 |
| Military | 4 |
| Navigation | 1 |
| Proverb | 1 |
| Radiation | 2 |
| Space | 3 |
| Technology | 5 |
| Telecommunications | 1 |