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| gedupliceerd systeem | |||
| one + one system: 25 phrases in 12 subjects |
| Agriculture | 2 |
| Astronautics | 1 |
| Communications | 4 |
| Computer numerical control | 1 |
| Economy | 1 |
| Finances | 1 |
| General | 3 |
| Information technology | 2 |
| Law | 1 |
| Marketing | 1 |
| Natural sciences | 1 |
| Transport | 7 |
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