"So Ken, have a look at what is around that
machine that's having all the problems, it might be obvious where it's
coming from. Anyone in the area making concrete reinforcing mesh? How
about
an arc furnace, or induction furnace?"

I am getting al this 2nd hand but we are 20 miles from town. Besides
our shop and the one with the CNC lathe and mill the is nothing but
cows, bears, and trees. Ozarks in Arkansas