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activiteiten : 48 phrases in 14 subjects |
| Astronautics | 2 |
| Construction | 1 |
| Economics | 12 |
| Education | 3 |
| Environment | 13 |
| General | 2 |
| Law | 1 |
| Life sciences | 1 |
| Microsoft | 5 |
| Politics | 1 |
| Research and development | 3 |
| Social science | 2 |
| Statistics | 1 |
| Taxes | 1 |