 |
| 无效: 318 phrases in 33 subjects |
| Agriculture | 3 |
| Botany | 1 |
| Business | 21 |
| Computers | 3 |
| Diplomacy | 1 |
| Economy | 8 |
| Education | 1 |
| Elections | 1 |
| Electricity | 1 |
| Electronics | 25 |
| Engines | 1 |
| Finances | 4 |
| Food service and catering | 2 |
| General | 122 |
| Helicopters | 1 |
| Information technology | 7 |
| Law | 37 |
| Mathematics | 4 |
| Mechanics | 1 |
| Medical | 5 |
| Metallurgy | 1 |
| Military | 2 |
| Nautical | 1 |
| Oil and gas | 3 |
| Oil processing plants | 2 |
| Oilfields | 1 |
| Politics | 1 |
| Radio | 1 |
| Sports | 2 |
| Statistics | 1 |
| Technology | 51 |
| Telecommunications | 2 |
| United Nations | 1 |