 |
| |||
| сернокислая ванна | |||
| sulphuric-acid: 10 phrases in 6 subjects |
| Agriculture | 1 |
| Caspian | 1 |
| Chemistry | 1 |
| Inorganic chemistry | 2 |
| Natural resourses and wildlife conservation | 1 |
| Oil processing plants | 4 |
|
| |||
| сернокислая ванна | |||
| sulphuric-acid: 10 phrases in 6 subjects |
| Agriculture | 1 |
| Caspian | 1 |
| Chemistry | 1 |
| Inorganic chemistry | 2 |
| Natural resourses and wildlife conservation | 1 |
| Oil processing plants | 4 |