Thanx fellas and thanx for the link, Lonnie. I should have known better. I was an architect and practicing artichokes know (or should know) the basics of all three of those materials.

Larry Kephart
1937 Chevy Utility Express (Deerslayer)
1955 1st 3100 Chevy (BillyBob)
2017 Cadillac ATS-V (Elvira)
Boca Raton, Florida
e-mail: [email protected]

http://www.laroke.com/larryk4674/1998/billybob.htm