580,000 glass coffee mugs recalled because they can break when filled with hot liquid
580,000 glass coffee mugs recalled because they can break when filled with hot liquid

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You had one job..
Annealing is expensive, and so time consuming. You don't need to do all that nonsense...
I got a Betty Crocker borosilicate glass casserole baking pan at the Dollar store. I've used it several times, and it hasn't broken. If a Dollar store can sell glass cookware at a profit, how many fractional pennies did they save by making these glass mugs?