 |
| fire ring: 25 phrases in 15 subjects |
| Aviation | 1 |
| Electronics | 1 |
| Forestry | 1 |
| Gas processing plants | 2 |
| General | 4 |
| Geography | 3 |
| Geology | 1 |
| Gold mining | 1 |
| Karachaganak | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Rail transport | 3 |
| Technology | 2 |
| Volcanology | 1 |