[Tagging] Masts vs Towers yet again

[Malcolm Herring]

On 15/04/2016 12:39, Dave Swarthout wrote:
> I think you had better make the requirements for tower less strict.

The whole point of my definitions is to *NOT* use the word "tower" for 
communications masts. I am trying to resolve the ambiguity by choosing 
one in preference to the other, even though a given structure may be 
locally known by the other word.