On Sat, 11 Mar 2006 09:42:40 +0100, "Steve Lusardi"
wrote:

Don,
Yes, they work very well, but they are no longer available in Europe. They
are considered too dangerous (Hazmat) and are now illegal.
Steve

You sure about that, Steve? I think lanthanated is preferred for
safety over Thorium, which is mildly radioactive. I wonder if it
isn't the Thoriated tungstens that are considered hazmat.