 |
| |||
| average lifetime | |||
| средняя продолжительность работы: 5 phrases in 5 subjects |
| Chemistry | 1 |
| Economy | 1 |
| Energy industry | 1 |
| General | 1 |
| Technology | 1 |
|
| |||
| average lifetime | |||
| средняя продолжительность работы: 5 phrases in 5 subjects |
| Chemistry | 1 |
| Economy | 1 |
| Energy industry | 1 |
| General | 1 |
| Technology | 1 |