 |
| refractory material: 21 phrases in 9 subjects |
| Astronautics | 3 |
| Automated equipment | 3 |
| Construction | 1 |
| Firefighting and fire-control systems | 1 |
| Makarov | 7 |
| Metallurgy | 1 |
| Nanotechnology | 1 |
| Silicate industry | 1 |
| Technology | 3 |
|
| refractory material: 21 phrases in 9 subjects |
| Astronautics | 3 |
| Automated equipment | 3 |
| Construction | 1 |
| Firefighting and fire-control systems | 1 |
| Makarov | 7 |
| Metallurgy | 1 |
| Nanotechnology | 1 |
| Silicate industry | 1 |
| Technology | 3 |