 |
| |||
| X-Windows n | |||
| X window: 4 phrases in 4 subjects |
| Medical appliances | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| Радиоактивное излучение | 1 |
|
| |||
| X-Windows n | |||
| X window: 4 phrases in 4 subjects |
| Medical appliances | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| Радиоактивное излучение | 1 |