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I know nothing about this type of equipment and I’d never heard of the company and thought ‘surely this isn’t the jewellery company?’

It is the same company (different division).

https://en.m.wikipedia.org/wiki/Swarovski

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They are actually one of the leading companies when it comes to optics. Swarovski has quite a few interesting business branches, my favourite is SWARCO which makes reflective road markings, traffic management systems and even e-car smart charging solutions.

I'm guessing if your grinding jewels or glass at the level they are, there's going to be some technical expertise that is shared.

Indeed, the same reason Brother makes sewing machines and printers.

And also machine tools, which they originally developed in order to make more and better sewing machines.

https://machinetool.global.brother/

They also make CNC style desktop cutters for things like vinyl/paper

Does Swarovski cut jewels? I thought all of their stuff was glass.

They do. Lab diamonds to be precise:

https://www.swarovski.com/en-US/c-01/Categories/Jewelry/f/fl...

Also synthetic opal and zirconia etc

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