 |
| |||
| resistance aux éraflures; resistance à l’abrasion | |||
| твёрдость царапанья: 23 phrases in 7 subjects |
| Chemistry | 2 |
| Geology | 3 |
| Mechanic engineering | 4 |
| Metallurgy | 6 |
| Packaging | 4 |
| Technology | 3 |
| Welding | 1 |
|
| |||
| resistance aux éraflures; resistance à l’abrasion | |||
| твёрдость царапанья: 23 phrases in 7 subjects |
| Chemistry | 2 |
| Geology | 3 |
| Mechanic engineering | 4 |
| Metallurgy | 6 |
| Packaging | 4 |
| Technology | 3 |
| Welding | 1 |