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30+ Everyday Items Have Uses You Didn’t Even Know Existed-Page 2

3) The Hole In The Cap Of A Ballpoint Pen

This is a safety feature. A lot of people put the pen caps in their mouth and accidentally inhale their pen cap. The hole allows air to get through so they can breathe while they get help. It makes you wonder, how many lives has this added feature saved?!

4) Black Grating On Microwave Window

It’s called a Faraday shield. It prevents microwaves from escaping and turning the box into a Faraday cage. Your food also won’t cook properly if the rays escape. So if you thought that this cage was just making it harder to see your food while it cooked, think again!

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