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| прочистка труб | |||
| pipe-cleaning: 28 phrases in 15 subjects |
| Caspian | 1 |
| Construction | 5 |
| Drilling | 1 |
| Energy industry | 1 |
| General | 3 |
| Makarov | 2 |
| Oil / petroleum | 7 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Rail transport | 1 |
| Sakhalin | 1 |
| Technology | 1 |
| Vulgar | 1 |
| Welding | 1 |