posted on Mar, 14 2011 @ 10:41 AM
Yes, it's quite simple really especially in a bar setting. (I used to work in a bar)
The glasses go through the washer, and come out, you are supposed to let them cool, but when it gets busy there is sometimes not time, and the beer
rapid cools the glass. so when you do this again and again and again, it weakens the glass.
it was known from time to time, for a glass to go
****BANG!!!!**** with the tiniest of knock.
Hazard of the job,
it's call thermal shock.