Why Do Stop Signs Have Eight Sides ?
did you ever ask yourself why stop signs have eight sides?
watch this video to know
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sources:
https://didyouknowfacts.com/stop-sign...
https://blog.uncommongoods.com/2014/u...
http://mentalfloss.com/article/56877/...
https://www.msn.com/en-us/lifestyle/s...
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