|
refractory : 264 phrases in 21 subjects |
| Chemistry | 27 |
| Coal | 5 |
| Construction | 41 |
| Electronics | 2 |
| Environment | 6 |
| Forestry | 1 |
| General | 13 |
| Health care | 3 |
| Industry | 24 |
| Labor law | 2 |
| Materials science | 2 |
| Mechanic engineering | 4 |
| Medical | 3 |
| Medical appliances | 3 |
| Metallurgy | 46 |
| Natural sciences | 1 |
| Nuclear physics | 1 |
| Politics | 4 |
| Radiobiology | 2 |
| Technology | 72 |
| Textile industry | 2 |