On Sun, 21 Mar 2021 10:27:02 -0700
Bob La Londe wrote:

snip
The lines and labels did go on with indelible markers... or so I
thought. LOL. I use the GPX Xylene markers for that.


FB Vid Link
https://www.facebook.com/robert.lalo...5887365435950/

Well... It looked way, way faster than using an eraser to clear the
board off. And not even a tiny smudge afterwards ;-)

--
Leon Fisk
Grand Rapids MI