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| atomic-hydrogen welding (cntd.ru Natalya Rovina) | |||
| сварка атомно-водородная: 21 phrases in 10 subjects |
| Electrical engineering | 1 |
| Metallurgy | 3 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Polymers | 1 |
| Rail transport | 1 |
| Technology | 6 |
| Welding | 5 |