| |||
| принцип равновесия | |||
|
equilibrium principle : 5 phrases in 5 subjects |
| Chemistry | 1 |
| Chess | 1 |
| Construction | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 1 |
| |||
| принцип равновесия | |||
|
equilibrium principle : 5 phrases in 5 subjects |
| Chemistry | 1 |
| Chess | 1 |
| Construction | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 1 |