 |
| |||
| gescheiden stelsel; gescheiden rioolstelsel | |||
| separate system: 10 phrases in 5 subjects |
| Agriculture | 1 |
| Environment | 6 |
| Industry | 1 |
| Mechanic engineering | 1 |
| Transport | 1 |
|
| |||
| gescheiden stelsel; gescheiden rioolstelsel | |||
| separate system: 10 phrases in 5 subjects |
| Agriculture | 1 |
| Environment | 6 |
| Industry | 1 |
| Mechanic engineering | 1 |
| Transport | 1 |