 |
| thermal furnace: 23 phrases in 8 subjects |
| Automated equipment | 1 |
| Electrical engineering | 1 |
| Gold mining | 11 |
| Metallurgy | 3 |
| Nanotechnology | 1 |
| Silicate industry | 1 |
| Technology | 3 |
| Weapons of mass destruction | 2 |
|
| thermal furnace: 23 phrases in 8 subjects |
| Automated equipment | 1 |
| Electrical engineering | 1 |
| Gold mining | 11 |
| Metallurgy | 3 |
| Nanotechnology | 1 |
| Silicate industry | 1 |
| Technology | 3 |
| Weapons of mass destruction | 2 |