 |
| |||
| заражение окружающей среды (ssn) | |||
| contamination of environment: 5 phrases in 5 subjects |
| Diplomacy | 1 |
| Geography | 1 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
|
| |||
| заражение окружающей среды (ssn) | |||
| contamination of environment: 5 phrases in 5 subjects |
| Diplomacy | 1 |
| Geography | 1 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |