Bob Engelhardt on Thu, 21 May 2020
18:02:12 -0400 typed in rec.crafts.metalworking the following:
On 5/21/2020 12:30 PM, pyotr filipivich wrote:
Neat. Now to find out what the shelves I have are made of, so I
can retro calc their deflection.
...

There is particle board on the list, but there's a bunch of varieties
(who knew).

Its one of those "Now that you mention it, it is so obvious."
items.
--
pyotr filipivich
"With Age comes Wisdom. Although far too often, Age travels alone."