Bottle Necks: A Purposeful DesignThose small plastic rings serve a hidden purpose.

Discover the clever engineering behind the seemingly insignificant rings on a plastic bottle's neck. They aren't just leftover plastic from the molding process. These tiny features are crucial for manufacturing, acting as handles for robotic arms on assembly lines. They also provide structural support against the pressure from carbonated drinks and serve as a vital tamper-evident safety seal.

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