[Tagging] fire_hydrant extensions proposal

Ilpo Järvinen ilpo.jarvinen at helsinki.fi
Sat Mar 9 19:18:27 UTC 2013

On Sat, 9 Mar 2013, Richard Welty wrote:

> for the US, water mains are specified in inches. i presume that centimeter is
> the correct
> unit elsewhere. correct?

In Finland, mm is used in all signs. I've not seen other classifications 
here besides the diameter. Then we only have only "O" marking in some 
signs with meaning that we've not been able to decrypt, yet :-).


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