[Tagging] man_made=storage_tank for open containers?

[Warin]

On 09/02/19 10:19, Clifford Snow wrote:
> I did create new thread about including other features in wastewater 
> treatment facilities. Unfortunately I have been side track on other 
> issues, not necessarily OSM issue, but life in general.
>
> I do plan to continue exploring how to tag the various features in 
> wastewater treatment facilities in the near future.
>
> To the question of "Are storage tanks covered" It might depend on what 
> they are used for. I assumed most were covered.

Perhaps use the tag covered=no to signify an uncovered storage tank?