 | This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects: | ||||||||||
| |||||||||||
 | It is requested that an image or photograph of Passive treatment system be included in this article to improve its quality. Please replace this template with a more specific media request template where possible. The Free Image Search Tool or Openverse Creative Commons Search may be able to locate suitable images on Flickr and other web sites. |
Images
editAny editor care to convert the diagrams in the public domain article from PDF to SVG and to add them the the article? I think they would be an improvement, but my own time is a bit short just now. Cheers! Geoff | Who, me? 20:46, 3 October 2015 (UTC)