There's one other plastic product I forgot about--kevlar. They make lightweight boat hulls and bullet-proof vests from this stuff. Much stronger and lighter than steel, easy to work with, and it can be molded into any shape or form. Neat!
------------------ Travlin' Easy
PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)