 |
| firebrick: 74 phrases in 12 subjects |
| Construction | 3 |
| General | 1 |
| Makarov | 1 |
| Metallurgy | 28 |
| Nautical | 1 |
| Rail transport | 1 |
| Refractory materials | 12 |
| Sakhalin | 3 |
| Sakhalin R | 1 |
| Technology | 15 |
| Thermal engineering | 7 |
| Weapons of mass destruction | 1 |
|
| firebrick: 74 phrases in 12 subjects |
| Construction | 3 |
| General | 1 |
| Makarov | 1 |
| Metallurgy | 28 |
| Nautical | 1 |
| Rail transport | 1 |
| Refractory materials | 12 |
| Sakhalin | 3 |
| Sakhalin R | 1 |
| Technology | 15 |
| Thermal engineering | 7 |
| Weapons of mass destruction | 1 |