ravin : 43 phrases in 12 subjects |
Agriculture | 7 |
Amphibians and reptiles | 1 |
Construction | 4 |
Forestry | 1 |
General | 2 |
Geology | 18 |
Geophysics | 1 |
Hydraulic engineering | 1 |
Informal | 1 |
Mining | 2 |
Natural resourses and wildlife conservation | 2 |
Technology | 3 |