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| operating level | |||
| working level | |||
| эксплуатационный уровень: 19 phrases in 13 subjects |
| Construction | 3 |
| Electronics | 1 |
| General | 1 |
| Hydraulic engineering | 1 |
| Makarov | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Production | 1 |
| Road construction | 1 |
| Sakhalin R | 1 |
| Technology | 4 |
| Transport | 1 |