The Hidden Genius of Milk Jug Design: Exploring the Purpose of the Circular Dent

At first glance, it might seem like a minor quirk of design or just a random byproduct of plastic molding,

but that small, circular dent on the side or bottom of your milk jug is anything but arbitrary.

In reality, it’s a clever and purposeful piece of engineering—an unassuming

feature that plays a surprisingly big role in making your milk container functional,

safe, and even eco-friendly. This little indentation, often overlooked, is a multitasker.

It helps manage pressure changes caused by temperature shifts—think expanding gases

when milk is transported or stored. It also acts as a shock absorber if the jug is accidentally dropped,

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