 |
| |||
| сложный огнеупор | |||
| composite refractory: 16 phrases in 4 subjects |
| Astronautics | 2 |
| Firefighting and fire-control systems | 5 |
| Nanotechnology | 8 |
| Technology | 1 |
|
| |||
| сложный огнеупор | |||
| composite refractory: 16 phrases in 4 subjects |
| Astronautics | 2 |
| Firefighting and fire-control systems | 5 |
| Nanotechnology | 8 |
| Technology | 1 |