...I'm not sure how popular Belleville washers are in the EU, though,...
Just a little bit of nationalist pedantry: Switzerland (where the OP is) is in Europe, but is not part of the EU. ![Grin ;D](https://www.eevblog.com/forum/Smileys/default/xgrin.gif.pagespeed.ic.QVVz6XIT20.png)
You know how us 'Murican's are... can barely identify whether Canada is to the north and Mexico is to the south, so everything across the big pond is just one big mess. ![Tongue :P](https://www.eevblog.com/forum/Smileys/default/xtongue.gif.pagespeed.ic.J5mTe0A2NA.png)
Hahahaha yep. Being American myself, when I'm back in the States visiting, you can't imagine how many times I get asked "Oh, you live in Switzerland! Neat! How's your Swedish?"
![Face Palm :palm:](https://www.eevblog.com/forum/Smileys/default/xfacepalm.gif.pagespeed.ic.EBDwh1hCfo.png)
And of course I know the stories from the pre-Web days, when mail-order meant calling up the company on the phone, where people in New Mexico would try to order something (from a US vendor) and be told "oh, sorry, we don't ship abroad"…
![Face Palm :palm:](https://www.eevblog.com/forum/Smileys/default/xfacepalm.gif.pagespeed.ic.EBDwh1hCfo.png)
And then of course one neighboring country (to Switzerland) is Austria, where the people have to explain to some Americans that no, they don't have kangaroos and Crocodile Dundee in Vienna…
![Face Palm :palm:](https://www.eevblog.com/forum/Smileys/default/xfacepalm.gif.pagespeed.ic.EBDwh1hCfo.png)