 |
| |||
| duplex operation | |||
|
exploitation duplex : 6 phrases in 3 subjects |
| Communications | 4 |
| Information technology | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| duplex operation | |||
|
exploitation duplex : 6 phrases in 3 subjects |
| Communications | 4 |
| Information technology | 1 |
| Natural resourses and wildlife conservation | 1 |