| |||
| ressort en anneau | |||
|
ring spring : 20 phrases in 6 subjects |
| Industry | 1 |
| Materials science | 2 |
| Mechanic engineering | 5 |
| Metallurgy | 1 |
| Technology | 6 |
| Transport | 5 |
| |||
| ressort en anneau | |||
|
ring spring : 20 phrases in 6 subjects |
| Industry | 1 |
| Materials science | 2 |
| Mechanic engineering | 5 |
| Metallurgy | 1 |
| Technology | 6 |
| Transport | 5 |