On Sun, 12 Mar 2006 18:01:17 GMT, "Ace"
wrote:

Your "preparation for use" corresponds to a machinist explaining the proper
use of gage blocks to me
in an aviation environment. He was using acetone versus alcohol though, and
then making sure not to touch
the mating surfaces afterward because the oil from the skin affects final
size.


That is good to know. I'll have to experiment to see how well acetone
removes the sewing machine oil that I use. Thanks for the tip.