 |
| |||
| принцип равновесия | |||
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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 |