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| pipe coating: 22 phrases in 9 subjects |
| Construction | 2 |
| Oil / petroleum | 3 |
| Oil and gas | 2 |
| Oil and gas technology | 2 |
| Pipelines | 7 |
| Rail transport | 1 |
| Sakhalin | 2 |
| Technology | 2 |
| Welding | 1 |
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