 |
| discharge system: 64 phrases in 25 subjects |
| Architecture | 1 |
| Aviation | 2 |
| Construction | 1 |
| Ecology | 5 |
| Electrical engineering | 2 |
| Electricity | 3 |
| Electronics | 5 |
| Energy industry | 11 |
| Gas processing plants | 1 |
| General | 2 |
| Makarov | 1 |
| Military | 1 |
| Mining | 1 |
| Molikpaq | 2 |
| Nautical | 7 |
| Nuclear and fusion power | 1 |
| Oil and gas | 3 |
| Pharmacology | 1 |
| Pumps | 1 |
| Sakhalin | 1 |
| Shipbuilding | 1 |
| Technology | 6 |
| Thermal engineering | 2 |
| Transport | 1 |
| Water supply | 2 |