An curved arrow pointing right. Ever wonder how zippers are made? Here's the answer! UCAN Zippers USA paints more than 200,000 zipper sliders a day, which are placed on the 50,000 yards of zipper tape ...
Design Squad is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...
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Why zippers were once considered scandalous
Most zippers are just there, on jeans & coats, whatever. But they weren't always seen so innocently. When zippers first appeared, some people thought they were too suggestive. Here's the story of how ...
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