 |
| observation: 53 phrases in 19 subjects |
| Construction | 9 |
| Criminal law | 4 |
| Data processing | 1 |
| Earth sciences | 1 |
| English | 1 |
| Environment | 4 |
| General | 6 |
| Health care | 1 |
| Human rights activism | 9 |
| Life sciences | 1 |
| Mathematics | 4 |
| Medical | 2 |
| Obsolete / dated | 2 |
| Physics | 1 |
| Politics | 1 |
| Scientific | 1 |
| Statistics | 1 |
| Surveying | 1 |
| Transport | 3 |