On Wed, 28 Jan 2009 15:51:45 -0500, Meat Plow wrote:

I would say the ink faded away. I have a lot of pulls with little or
no ink.

I have just carried out an inventory of my old (new) valve stock ex on-the-road
service engineer. Quite a lot of them have no - partly visible lettering. I
suspect this was due to our practive of removing them from their individual
wrapping and carrying them in the vehicle in compartmented cardboard boxes.

--
Geo