 |
| |||
oxyfuel gas pressure welding (cntd.ru Natalya Rovina); pressure gas welding (USA  cntd.ru Natalya Rovina) | |||
| сварка газопрессовая: 13 phrases in 8 subjects |
| Automated equipment | 1 |
| Construction | 1 |
| Drilling | 1 |
| General | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 3 |
| Welding | 3 |