replying to Dave Chapman, DeeJayLeGrand wrote:
If you look at Nickel sulphide inclusions - the location of failure starts
with a "butterfly". Good to see that company is replacing the glass panels.
This is impuirty in the glass production process - more common thatn you
think. The breaking into small pieces is by design - what is referred to as
safe breakage (by design for some glass types).

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