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vrijkaart f | |||
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eieren van hennen met vrije uitloop-extensief systeem; vrije uitloop-extensief |
libre-parcours : 20 phrases in 10 subjects |
Agriculture | 6 |
Animal husbandry | 2 |
Antennas and waveguides | 1 |
Chemistry | 1 |
Earth sciences | 4 |
Electronics | 2 |
Food industry | 1 |
Natural sciences | 1 |
Physical sciences | 1 |
Technology | 1 |