
Zippers
Secretly Incredibly Fascinating
00:00
The New York Zipper
The zippers on space suits for the apollo missions wore out after six months. The zipper system is two entire sets of brass metal zippers and a layer of rubber in between. I didn't even realize that a zipper could be air tight necessarily, but i guess that makes sense. We want to hear more about johnson county, Indiana. Also have to give a shout or to indyworhall frommy home pittsburg.
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