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parallèle |
evenwijdig: 27 phrases in 14 subjects |
Agriculture | 2 |
Chemistry | 2 |
Coal | 4 |
Communications | 1 |
Construction | 1 |
Earth sciences | 1 |
General | 1 |
Industry | 1 |
Life sciences | 1 |
Materials science | 1 |
Mechanic engineering | 6 |
Metallurgy | 1 |
Technology | 2 |
Transport | 3 |