| postbak | |
| commun. | mail sorting box |
|
electronische : 27 phrases in 13 subjects |
| Commerce | 1 |
| Communications | 2 |
| Earth sciences | 1 |
| Electronics | 2 |
| Energy industry | 1 |
| Environment | 1 |
| Finances | 3 |
| General | 2 |
| Health care | 3 |
| Information technology | 7 |
| Law | 2 |
| Patents | 1 |
| Transport | 1 |