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The reason most electrical plug prongs have holes in them

Engadget By staff@engadget.com (Thomas Godwin) 2 views 0 comments
The reason most electrical plug prongs have holes in them
Image: Engadget

If you've ever looked at the end of a plug, you've probably wondered why some have holes, and some don't - and no, it's not actually a big conspiracy theory.

Engadget Original story · www.engadget.com
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