| |||
| изменение полярности (oleg.vigodsky) | |||
|
polarity reversing : 7 phrases in 5 subjects |
| Astronautics | 1 |
| Astronomy | 1 |
| Automated equipment | 1 |
| Makarov | 3 |
| Technology | 1 |
| |||
| изменение полярности (oleg.vigodsky) | |||
|
polarity reversing : 7 phrases in 5 subjects |
| Astronautics | 1 |
| Astronomy | 1 |
| Automated equipment | 1 |
| Makarov | 3 |
| Technology | 1 |