 |
| burning rate: 56 phrases in 15 subjects |
| Astronautics | 16 |
| Automobiles | 1 |
| Chemistry | 4 |
| Energy industry | 2 |
| Firefighting and fire-control systems | 6 |
| Metallurgy | 4 |
| Military | 3 |
| Missiles | 1 |
| Nanotechnology | 4 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Silicate industry | 3 |
| Technology | 2 |
| Thermal engineering | 5 |
| Weapons and gunsmithing | 3 |