The Hidden Reason Behind the Small Circle on Milk Jugs
Almost everyone has noticed that small circular indentation on the side of a plastic milk jug. I’ll be honest—I’ve caught myself staring at it more than once. It looks like a tiny button pressed into the plastic, easy to ignore or assume it’s just a manufacturing quirk. But that little circle is there for a very practical reason.
Why Milk Jugs Are Designed This Way
That indentation isn’t decorative or accidental. It plays an important role in the jug’s durability, safety, and overall performance.
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