 |
| |||
| refrattario (о кирпиче, глине); ignifugo; apiro; infusibile | |||
| resistente al fuoco (Briciola25) | |||
| incombustibile | |||
| refrattario | |||
| огнеупорный: 107 phrases in 10 subjects |
| Building materials | 1 |
| Chemistry | 4 |
| Construction | 41 |
| Economy | 1 |
| Finances | 1 |
| General | 11 |
| Metallurgy | 22 |
| Military | 5 |
| Radio | 1 |
| Technology | 20 |