| |||
| mechanisches Sortieren | |||
| mechanische Trennung | |||
|
mechanical separation : 2 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| |||
| mechanisches Sortieren | |||
| mechanische Trennung | |||
|
mechanical separation : 2 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |