 |
| |||
| превращение энергии | |||
| transformation de l'énergie: 3 phrases in 3 subjects |
| Aviation | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
|
| |||
| превращение энергии | |||
| transformation de l'énergie: 3 phrases in 3 subjects |
| Aviation | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |