Emoji proposals aren’t notable for their uniform quality. There are guidelines, 
but essentially the subcommittee approves things they like and don’t approve 
things they don’t like.

> On 18 Feb 2019, at 12:52, Andrés Sanhueza via Unicode <unicode@unicode.org> 
> wrote:
> I understand the difference. My question was why it was needed to have both 
> spirals as different characters instead of a single one that can be either, 
> as the proposal didn't specify an use case where there is a semantic 
> difference between each one.
> El sáb., 16 feb. 2019 a las 11:26, Michael Everson via Unicode 
> (<unicode@unicode.org>) escribió:
> > Question: Why both a right and left facing spiral are exactly need? Isn't a 
> > single one (whose direction is just a glyph variant) enough? There was a 
> > previous thread that also suggested these very symbols, but otherwise I 
> > have found no evidence of the specific need for it.
> Clockwise and anticlockwise are not the same thing.
> Michael Everson

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