 |
| double- welded: 93 phrases in 17 subjects |
| Automated equipment | 6 |
| Construction | 11 |
| Electrical engineering | 5 |
| Makarov | 1 |
| Materials science | 5 |
| Mechanic engineering | 2 |
| Metallurgy | 7 |
| Nautical | 11 |
| Oil / petroleum | 3 |
| Pipelines | 3 |
| Plastics | 1 |
| Rail transport | 1 |
| Sakhalin | 3 |
| Shipbuilding | 5 |
| Technology | 13 |
| Transport | 10 |
| Welding | 6 |