 |
| nivel de referencia: 25 phrases in 15 subjects |
| Chemistry | 1 |
| Communications | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 5 |
| Environment | 1 |
| General | 1 |
| Health care | 1 |
| Information technology | 3 |
| Life sciences | 2 |
| Meteorology | 3 |
| Pest control | 1 |
| Surveying | 1 |
| Technology | 1 |
| United Nations | 2 |