 |
| step rate: 52 phrases in 22 subjects |
| Banking | 1 |
| Biotechnology | 2 |
| Chemistry | 3 |
| Drilling | 1 |
| Economy | 3 |
| Electrical engineering | 1 |
| Electrochemistry | 1 |
| Electronics | 5 |
| Energy industry | 3 |
| European Bank for Reconstruction and Development | 1 |
| General | 1 |
| Information technology | 1 |
| Makarov | 9 |
| Medical | 1 |
| Oil / petroleum | 7 |
| Oil and gas | 2 |
| Oilfields | 1 |
| Physical chemistry | 4 |
| Physics | 2 |
| Technology | 1 |
| Water supply | 1 |
| Weapons of mass destruction | 1 |