 |
| |||
| dust control | |||
| контроль пыли: 7 phrases in 4 subjects |
| Aerohydrodynamics | 1 |
| Electronics | 1 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 4 |
|
| |||
| dust control | |||
| контроль пыли: 7 phrases in 4 subjects |
| Aerohydrodynamics | 1 |
| Electronics | 1 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 4 |