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Home > BrainStuff > Why do most zippers say 'YKK' on the pull-tab?
Podcast: BrainStuff
Episode:

Why do most zippers say 'YKK' on the pull-tab?
Category: Science & Medicine
Duration: 00:02:16
Publish Date: 2012-04-13 19:49:23
Description:

Have you ever wondered why zippers often have the letters 'YKK' etched into them? Learn more about the Japanese company behind the tiny letters -- and the zippers -- in this episode.

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