 |
| |||
| свободная сера | |||
| элементарная сера | |||
| free sulfur: 22 phrases in 11 subjects |
| Cables and cable production | 1 |
| Cement | 1 |
| Chemistry | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| Makarov | 3 |
| Oil / petroleum | 2 |
| Oil processing plants | 6 |
| Polymers | 3 |
| Technology | 2 |
|
| |||
| свободная сера | |||
| элементарная сера | |||
| free sulfur: 22 phrases in 11 subjects |
| Cables and cable production | 1 |
| Cement | 1 |
| Chemistry | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| Makarov | 3 |
| Oil / petroleum | 2 |
| Oil processing plants | 6 |
| Polymers | 3 |
| Technology | 2 |