 |
| Zahnrad: 104 phrases in 17 subjects |
| Artillery | 1 |
| Automobiles | 18 |
| Aviation | 1 |
| Energy industry | 8 |
| Gear train | 5 |
| General | 3 |
| Machine components | 46 |
| Machine tools | 1 |
| Mechanics | 2 |
| Metalworking | 7 |
| Polymers | 1 |
| Rail transport | 1 |
| Shipbuilding | 2 |
| Sports | 1 |
| Technology | 3 |
| Textile industry | 3 |
| Welding | 1 |