Detailed the mechanical stage of WWTP Werdhoelzli
Attempted to improve the visibility of the area's role when randomly scrolling over the map
Specified building explanation
Attempted to better specify the retention tank
Added fix-me since a required relation couldn't be added
Tried changs to make the building visible on standard OSM
Changed building to service building and added heat pump Aargauerstrasse
Added small substation I didn't know before