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Water values

As mentioned on the discussion page, values such as grey water, non-potable water, recycled water values were brought up.

- non-potable means it is undrinkable for some reason. a good value.

- grey water is the nickname for water that has been throughly processed for reuse, but is considered for health/legal reasons is not intended for drinking. some cities drink it, some cities treat it as a health hazard, only for plant watering. Sounds like recycled water. I guess that is distinct from treated sewage (meets the minimum requirements for dumping into a water body).

Javbw (talk) 09:36, 28 January 2015 (UTC)

Why water is "fresh water for drinking purposes"? It's generic. At least need a subtag

redrat (talk) 21:35, 19 September 2015 (UTC)

I just added substance=rainwater for the reasons mentioned above. --Hb 15:45, 5 July 2016 (UTC)
Well but there is a problem here :) I still don't know how to tag a pipe with an unknown type of water. So I'm going to bar the "fresh - for drinking purposes". Maybe the drinking_water=* attribute is applicable here? Together with drinking_water:legal=no if the water is not accessible? --redrat 20:30, 5 July 2016 (UTC)

Pneumatic tubes

How to tag pneumatic tube transfer systems? Perhaps substance=pneumatic? Or maybe substance=capsules (another name for them is "capsule pipelines")? For now I think I'll use substance=pneumatic, since it is clearer (they are most commonly known as pneumatic tubes), and although it is not a substance, substance=cable is not a substance either :-) ). --Abbafei (talk) 08:20, 25 March 2015 (UTC)

heat ?

substance=heat is not a substance either. Better use substance=heating_water or substance=steam or substance=heating_fluid if unknown. --Seawolff (talk) 23:18, 13 November 2016 (UTC)