| |||
| secondary; subordinate | |||
| lower-level | |||
|
unterlagert : 14 phrases in 5 subjects |
| Automatic control | 2 |
| Communications | 1 |
| General | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 9 |
| |||
| secondary; subordinate | |||
| lower-level | |||
|
unterlagert : 14 phrases in 5 subjects |
| Automatic control | 2 |
| Communications | 1 |
| General | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 9 |