σκληρότητα: 109 phrases in 15 subjects |
Agriculture | 2 |
Chemistry | 2 |
Earth sciences | 2 |
Environment | 6 |
General | 1 |
Health care | 2 |
Hobbies and pastimes | 1 |
Industry | 2 |
Labor law | 1 |
Life sciences | 2 |
Materials science | 20 |
Mechanic engineering | 3 |
Metallurgy | 50 |
Technology | 12 |
Transport | 3 |