Purpose of the Circular Dent on Milk Jugs
For many people, this small circular indentation might go completely unnoticed. A recent social media post sparked curiosity by stating, “Most folks spend their whole lives without ever realizing the purpose of the circular bump on the side of a milk jug.” There are plenty of theories floating around. One Facebook user, Cory Anderson, guessed that “the milk is going bad when it pops out.” Another commenter thought it might relate to the carton expanding in cold weather. Andrew Serpico suggested that “the bubble allows space for the milk to expand, so the carton doesn’t burst if you freeze it.”…
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