 |
| non-recoverable: 34 phrases in 20 subjects |
| Astronautics | 1 |
| Business | 1 |
| Corporate governance | 4 |
| Economy | 2 |
| Energy industry | 2 |
| General | 2 |
| Gold mining | 1 |
| Makarov | 1 |
| Microsoft | 1 |
| Missiles | 3 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Polymers | 1 |
| Programming | 2 |
| Taxes | 1 |
| Textile industry | 3 |
| Thermal engineering | 1 |
| Water resources | 2 |
| Weapons of mass destruction | 1 |