|
envasement : 14 phrases in 6 subjects |
| Construction | 1 |
| Geology | 1 |
| Hydraulic engineering | 6 |
| Natural resourses and wildlife conservation | 4 |
| Technology | 1 |
| Water resources | 1 |
|
envasement : 14 phrases in 6 subjects |
| Construction | 1 |
| Geology | 1 |
| Hydraulic engineering | 6 |
| Natural resourses and wildlife conservation | 4 |
| Technology | 1 |
| Water resources | 1 |