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Further Contents: The convention for waste water technology. Test and certification procedure for small waste water treatment plants. Experiences with municipal waste water treatment. Column: The healing effects of water.

Further Contens: New licensee of „WSB® clean“ for Lower Saxony. The future of sewage conditioning in Saudi Arabia. The DWA certification for maintenance of waste water technology. „Clarified. The symposium for waste water technology“. What facilitates the operation and monitoring of small sewage treatment plants? Column: The healing effects of water.

Further contents: German technology on international parquet. 6th international licensee meeting. How is a WSB® waste water treatment plant installed? Winter mode of operation for clarification systems. WSB® clean max exists the development phase. Water as a Habitat. The curing effect of water.Column: „Ceremony”.