 |
| передвижная лаборатория: 5 phrases in 5 subjects |
| Construction | 1 |
| Forestry | 1 |
| Meteorology | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| передвижная лаборатория: 5 phrases in 5 subjects |
| Construction | 1 |
| Forestry | 1 |
| Meteorology | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |