Thanks much, very informative and useful. 73 de M0XDF, K3 #174 -- A good cook is like a sorceress who dispenses happiness. -Elsa Schiaparelli, fashion designer (1890-1973) On 2 Apr 2008, at 17:23, Alan Bloom wrote: > Some years ago when I was a Materials Engineer for Hewlett Packard, > solder was one of my categories.