Marktplatz - Chapters
Marktplatz: Chapter 20
Getting Rid of Sewage
Polluntants, sewage treatment plants, sewage removal: How water can be saved and kept clean.
Topics: Sewage, environmental protection
Each chapter is available as a text in PDF format and as an audio file in MP3 format. In addition to the text book, some chapters also offer a manuscript with a word-for-word repetition of the audio file. Manuscripts can also be downloaded as a PDF file. You can listen to the audio files (MP3) either with Realplayer or with Windows Media Player. You?ll find the links to the necessary plug-ins (extra software programs) below.








