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verharder : 24 phrases in 11 subjects |
| Agriculture | 2 |
| Construction | 1 |
| Earth sciences | 6 |
| Industry | 2 |
| Life sciences | 3 |
| Materials science | 1 |
| Metallurgy | 1 |
| Natural sciences | 3 |
| Pharmacy and pharmacology | 1 |
| Statistics | 1 |
| Transport | 3 |
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