 |
| твёрдость царапанием: 40 phrases in 14 subjects |
| Construction | 2 |
| General | 1 |
| Makarov | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 6 |
| Military | 2 |
| Mining | 2 |
| Oil / petroleum | 2 |
| Packaging | 2 |
| Polygraphy | 1 |
| Polymers | 4 |
| Quality control and standards | 3 |
| Technology | 11 |
| Transport | 1 |