Dipl.-Ing. Wolfgang Berger studied industrial design and architecture. He has been working as a developer, manufacturer and distributor of com- posting toilets for over 30 years and has made a decisive contribution to the acceptance and implementation of ecological sanitary technology at home and abroad through publications, lectures and his participation in expert committees. Privately, he has been using a biological dry toilet for over 20 years and has gained extensive practical experience with faecal composting.
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