 |
| screw joint: 24 phrases in 13 subjects |
| Automated equipment | 1 |
| Automobiles | 1 |
| Construction | 1 |
| Medical appliances | 1 |
| Nautical | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |
| Oilfields | 3 |
| Packaging | 2 |
| Thermal engineering | 1 |
| Transport | 2 |
| Weapons and gunsmithing | 1 |