 |
| |||
| dureza f | |||
| grado de temple | |||
| resistencia al rayado; resistencia a la penetración | |||
| dureza: 90 phrases in 15 subjects |
| Agriculture | 1 |
| Chemistry | 5 |
| Coal | 2 |
| Construction | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Environment | 6 |
| General | 7 |
| Industry | 1 |
| Materials science | 9 |
| Mechanic engineering | 2 |
| Medical | 1 |
| Metallurgy | 41 |
| Natural sciences | 3 |
| Technology | 8 |