As such, there have been a number of proposals to ban things that
contain such chemicals outright. In fact, commercial production of
chemicals like carbon tetrachloride, trichlorethane, and certain types
of Freon have ceased by international agreement.

Hey -- we used to clean our HO train set railroad tracks with carbon
tetrachloride, when I was a kid.

Sure made the tracks shiny!

:-)
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"