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Home > BrainStuff > Why is there a small hole on the top of spray can lids?
Podcast: BrainStuff
Episode:

Why is there a small hole on the top of spray can lids?
Category: Science & Medicine
Duration: 00:01:55
Publish Date: 2012-10-22 21:47:25
Description:

Many spray can lids have a tiny hole at the top. Check out this HowStuffWorks podcast to learn more about spray cans, shipping and air pressure.

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