 |
| |||
| slick (Alexander Demidov) | |||
| слой загрязнения: 6 phrases in 4 subjects |
| Ecology | 3 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
|
| |||
| slick (Alexander Demidov) | |||
| слой загрязнения: 6 phrases in 4 subjects |
| Ecology | 3 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |