|
restricted : 184 phrases in 24 subjects |
| Airports and air traffic control | 1 |
| Archiving | 6 |
| Astronautics | 2 |
| Aviation | 11 |
| Chemistry | 2 |
| Computers | 3 |
| Diplomacy | 11 |
| Economics | 18 |
| Electronics | 1 |
| Finances | 8 |
| Fish farming pisciculture | 1 |
| General | 14 |
| Health care | 1 |
| Human rights activism | 1 |
| Information security and data protection | 3 |
| Information technology | 4 |
| Law | 41 |
| Mathematics | 2 |
| Metallurgy | 1 |
| Microsoft | 1 |
| Military | 47 |
| Technology | 2 |
| Transport | 1 |
| United States | 2 |