scherpen : 51 phrases in 18 subjects |
Agriculture | 1 |
Astronautics | 1 |
Communications | 1 |
Earth sciences | 1 |
Electronics | 2 |
Environment | 1 |
Finances | 4 |
General | 1 |
Human rights activism | 2 |
Industry | 7 |
Law | 1 |
Life sciences | 3 |
Mathematics | 1 |
Metallurgy | 15 |
Natural resourses and wildlife conservation | 2 |
Natural sciences | 2 |
Technology | 2 |
Transport | 4 |