|
endurecimento : 68 phrases in 15 subjects |
| Agriculture | 6 |
| Chemistry | 2 |
| Construction | 6 |
| Earth sciences | 2 |
| Electronics | 1 |
| Finances | 1 |
| Food industry | 1 |
| General | 6 |
| Health care | 1 |
| Industry | 19 |
| Life sciences | 1 |
| Materials science | 2 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Metallurgy | 18 |