[Tagging] RFD pipeline sub tag substance

[Martin Koppenhoefer]

2015-01-28 8:48 GMT+01:00 Warin <61sundowner at gmail.com>:

> Unfortunately this does not have a tag for non drinking water .. possible
> values could be
>
> non-potable_water
>
> grey_water
>


I like grey_water



>
> According to taginfo the values in decreasing use are water (30%), gas,
> heat, sewrage, oil, hot water (20%), electricity (should be 'cable'
> according to the wiki), sewage (3%), oxygen, coal, lng, fuel.
>


http://taginfo.openstreetmap.org/keys/substance#values
at least "heat" and "electricity" are no substances at all, "gas" isn't a
substance either but a state of aggregation, lng and H2S are abbreviations
or chemical codes (rather than British English words), IMHO you don't have
to take these usage numbers too seriously, as this key has a total usage of
only 430 and there don't seem reasonable semantics to be in use.


Cheers,
Martin
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