| |||
| счётчик с тонким окошком | |||
|
thin-window counter : 4 phrases in 3 subjects |
| Natural resourses and wildlife conservation | 1 |
| Nuclear and fusion power | 2 |
| Radiation | 1 |
| |||
| счётчик с тонким окошком | |||
|
thin-window counter : 4 phrases in 3 subjects |
| Natural resourses and wildlife conservation | 1 |
| Nuclear and fusion power | 2 |
| Radiation | 1 |