 |
| outside diameter: 16 phrases in 11 subjects |
| Automobiles | 1 |
| Construction | 2 |
| Engines | 1 |
| Gear train | 1 |
| General | 1 |
| Measuring instruments | 1 |
| Mechanic engineering | 2 |
| Microelectronics | 1 |
| Mining | 1 |
| Technology | 4 |
| Transport | 1 |
|
| outside diameter: 16 phrases in 11 subjects |
| Automobiles | 1 |
| Construction | 2 |
| Engines | 1 |
| Gear train | 1 |
| General | 1 |
| Measuring instruments | 1 |
| Mechanic engineering | 2 |
| Microelectronics | 1 |
| Mining | 1 |
| Technology | 4 |
| Transport | 1 |