 |
| осаждение пыли: 16 phrases in 5 subjects |
| Chemistry | 1 |
| Metallurgy | 4 |
| Mining | 5 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 5 |
|
| осаждение пыли: 16 phrases in 5 subjects |
| Chemistry | 1 |
| Metallurgy | 4 |
| Mining | 5 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 5 |