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On 13 Sep 2003 at 22:33, Dave Hall wrote: > I pulled the lift channel off a piece of window glass, and BANG! glass bits all > over the floor. Tempered glass can go off in a big way with the wrong > stimulation - I guess something stressed it locally. It doesn't normally > happen. It seems to be pretty unpredictable stuff. I have a relatively new pair of eyeglasses, which have been required to be tempered for a number of years now. I dropped them several years ago and took a chip out of one edge. The chip is nearly a cm long in the longest dimension, and yet the rest of the lens stayed intact. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org