 |
| |||
| percent concentration | |||
| концентрация в процентах: 15 phrases in 8 subjects |
| Chemistry | 2 |
| Energy industry | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 1 |
|
| |||
| percent concentration | |||
| концентрация в процентах: 15 phrases in 8 subjects |
| Chemistry | 2 |
| Energy industry | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 1 |