 |
|
ravin : 44 phrases in 13 subjects |
| Agriculture | 7 |
| Amphibians and reptiles | 1 |
| Construction | 4 |
| Cultural studies | 1 |
| Forestry | 1 |
| General | 2 |
| Geology | 18 |
| Geophysics | 1 |
| Hydraulic engineering | 1 |
| Informal | 1 |
| Mining | 2 |
| Natural resourses and wildlife conservation | 2 |
| Technology | 3 |