|
rubble mound : 14 phrases in 6 subjects |
| Construction | 1 |
| Hydraulic engineering | 2 |
| Hydrology | 1 |
| Natural resourses and wildlife conservation | 8 |
| Oceanography & oceanology | 1 |
| Technology | 1 |
|
rubble mound : 14 phrases in 6 subjects |
| Construction | 1 |
| Hydraulic engineering | 2 |
| Hydrology | 1 |
| Natural resourses and wildlife conservation | 8 |
| Oceanography & oceanology | 1 |
| Technology | 1 |