 |
| flame temperature: 29 phrases in 14 subjects |
| Astronautics | 1 |
| Automobiles | 1 |
| Cement | 1 |
| Energy industry | 8 |
| Gas processing plants | 2 |
| Makarov | 1 |
| Metallurgy | 6 |
| Mining | 1 |
| Technology | 2 |
| Thermal engineering | 2 |
| Transport | 1 |
| Weapons and gunsmithing | 1 |
| Weapons of mass destruction | 1 |
| Welding | 1 |