| Anglais | Allemand | |
|---|---|---|
| General | ||
| General | ground water information systems | Grundwasserinformationssysteme [pl] |
| General | drinking water systems | Trinkwasseranlagen [pl] |
| General | water-cooling systems | Wasserkühlungen [pl] |
| General | service cooling water systems | Nebenkühlwassersysteme [pl] |
| General | service water systems | Brauchwasseranlagen [pl] |
| Patent | ||
| Patent | hot-water supply systems | Warmwasserversorgung |
| Technical | ||
| Technical | water supply systems | Wasserversorgungsysteme [pl] |
| Environment | ||
| Environment | waste water systems | Abwassernetze [pl] |
| Environment | waste-water treatment systems | Abwasserbehandlungsysteme [pl] |
| Automotive | ||
| Automotive | water recycling systems | Wasseraufbereitungsanlagen [pl] |
| Automotive | water softening systems | Wasserenthärtungsanlagen [pl] |
