I tried for a while to find Chris Boden at The Geek Group calling the umlaut "Rock Dots," but couldn't...
Perhaps this segment (featuring special guest Olivier Bultynck from Belgium) from the welding head Equipment Autopsy will do:
https://www.youtube.com/watch?featur...6UXstU4&t=1610
https://www.youtube.com/watch?v=qLcjUmBncZ8
https://www.youtube.com/watch?v=V17duGlHEYY
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