| |||
| четырёхэлементный | |||
|
four-element : 12 phrases in 8 subjects |
| Astronomy | 1 |
| Computers | 1 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Technology | 4 |
| Telecommunications | 2 |
| |||
| четырёхэлементный | |||
|
four-element : 12 phrases in 8 subjects |
| Astronomy | 1 |
| Computers | 1 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Technology | 4 |
| Telecommunications | 2 |