 |
| |||
| ruby crystal | |||
| кристалл рубина: 8 phrases in 6 subjects |
| Electronics | 1 |
| Lasers | 1 |
| Mass media | 3 |
| Quantum electronics | 1 |
| Silicate industry | 1 |
| Technology | 1 |
|
| |||
| ruby crystal | |||
| кристалл рубина: 8 phrases in 6 subjects |
| Electronics | 1 |
| Lasers | 1 |
| Mass media | 3 |
| Quantum electronics | 1 |
| Silicate industry | 1 |
| Technology | 1 |