 |
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| Y-Groove (abolshakov) | |||
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| J-prep (DRE) | |||
| образная разделка: 59 phrases in 11 subjects |
| Automated equipment | 1 |
| Construction | 2 |
| Electrical engineering | 2 |
| Makarov | 17 |
| Materials science | 6 |
| Metallurgy | 19 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Pipelines | 1 |
| Technology | 3 |
| Welding | 6 |