Editing Referencing Guide (section)

== 📝 Importing from Wikipedia ==

Wikipedia content is published under the '''Creative Commons Attribution–ShareAlike 4.0 International (CC BY-SA 4.0)''' license, unless otherwise noted. You may import and adapt content if you meet the following conditions:

* Mention the source in the edit summary, for example:
  <pre>Adapted from Wikipedia:Energy recovery system, CC BY-SA 4.0</pre>

* If reusing a substantial portion, include an attribution section:
<pre>
== Attribution ==
This article includes content adapted from [https://en.wikipedia.org/wiki/Energy_recovery_system Wikipedia], available under CC BY-SA 4.0.
</pre>

* Do not import non-free images or templates with proprietary licensing