 |
| fired heater: 61 phrases in 22 subjects |
| Automobiles | 1 |
| Biotechnology | 1 |
| Caspian | 2 |
| Chemical industry | 1 |
| Chemistry | 1 |
| Construction | 9 |
| Drilling | 1 |
| Gas processing plants | 1 |
| General | 1 |
| Heating | 3 |
| Karachaganak | 1 |
| Makarov | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |
| Oil processing plants | 7 |
| Solar power | 1 |
| Technology | 16 |
| Thermal engineering | 2 |
| Traffic control | 1 |
| Transport | 1 |