 |
| 管夹: 131 phrases in 19 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Chemistry | 1 |
| Cycling other than sport | 1 |
| Dialectal | 3 |
| Drilling | 2 |
| Electrical engineering | 1 |
| Electronics | 3 |
| Firefighting and fire-control systems | 1 |
| Forestry | 1 |
| General | 63 |
| Military | 1 |
| Mining | 2 |
| Nautical | 3 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil processing plants | 3 |
| Polymers | 1 |
| Technology | 39 |