 |
| |||
| сепарационный воздух (I. Havkin) | |||
| air de séparation: 12 phrases in 5 subjects |
| Chemistry | 3 |
| Forestry | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 4 |
| Technology | 3 |
|
| |||
| сепарационный воздух (I. Havkin) | |||
| air de séparation: 12 phrases in 5 subjects |
| Chemistry | 3 |
| Forestry | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 4 |
| Technology | 3 |