 |
| pipe die: 34 phrases in 14 subjects |
| Automated equipment | 1 |
| Construction | 1 |
| General | 3 |
| Machine tools | 8 |
| Mechanic engineering | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Pipelines | 2 |
| Plastics | 3 |
| Technology | 2 |
| Transport | 1 |