 |
| огнеупорная глина: 54 phrases in 16 subjects |
| Cement | 6 |
| Chemistry | 1 |
| Construction | 5 |
| General | 3 |
| Geology | 12 |
| GOST | 1 |
| Makarov | 1 |
| Metallurgy | 1 |
| Mining | 4 |
| Oil / petroleum | 3 |
| Rail transport | 1 |
| Road works | 2 |
| Seismology | 1 |
| Silicate industry | 7 |
| Technology | 4 |
| Thermal engineering | 2 |