I have a problem in founding the english word for "precintct" in the sense of a closed "box" where some technical parameters are measured inside. Which is the most appropiate word for something showing an enclosing boundary, which have no particular name ? thx, Vasile -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist