 |
| screwed joint: 21 phrases in 13 subjects |
| Automated equipment | 1 |
| Construction | 5 |
| Drilling | 1 |
| Forestry | 1 |
| Mechanic engineering | 1 |
| Nautical | 1 |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Plastics | 1 |
| Rail transport | 1 |
| Thermal engineering | 2 |
| Weapons and gunsmithing | 1 |