 |
| огнеупорный: 158 phrases in 18 subjects |
| Astronautics | 2 |
| Ceramics | 1 |
| Chemistry | 26 |
| Construction | 19 |
| Cooking | 2 |
| Electronics | 1 |
| Food industry | 1 |
| Forestry | 1 |
| General | 7 |
| Geology | 9 |
| Mechanic engineering | 5 |
| Medical | 1 |
| Metallurgy | 39 |
| Mining | 1 |
| Petrography | 1 |
| Surveying | 1 |
| Technology | 35 |
| Textile industry | 6 |