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| derrickman (Alexander Demidov) | |||
| верхний рабочий: 31 phrases in 13 subjects |
| Automated equipment | 1 |
| Drilling | 1 |
| Forestry | 1 |
| Mass media | 1 |
| Metrology | 1 |
| Mining | 3 |
| Oil / petroleum | 6 |
| Oil and gas technology | 1 |
| Plastics | 4 |
| Production | 1 |
| Technology | 2 |
| Thermal engineering | 6 |
| Wood processing | 3 |