| |||
| mittlerer Ring; В-ring | |||
|
main ring : 14 phrases in 8 subjects |
| Automobiles | 1 |
| Construction | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| General | 1 |
| Industry | 1 |
| Mechanic engineering | 5 |
| Technology | 2 |
| |||
| mittlerer Ring; В-ring | |||
|
main ring : 14 phrases in 8 subjects |
| Automobiles | 1 |
| Construction | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| General | 1 |
| Industry | 1 |
| Mechanic engineering | 5 |
| Technology | 2 |