 |
| |||
| сброс отходов (sega_tarasov) | |||
| dumping of waste: 14 phrases in 4 subjects |
| Ecology | 4 |
| General | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 8 |
|
| |||
| сброс отходов (sega_tarasov) | |||
| dumping of waste: 14 phrases in 4 subjects |
| Ecology | 4 |
| General | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 8 |