Safety Pin का Invention किसने किया था? | Fact star k fans

Safety Pin का Invention किसने किया था? | Fact star k fans


Safety pin is one of the most useful invention. Which can be used as a back-up in any Situation. but have you ever wondered that how Safety pin was invented? So in this video, I'm going to tell you about How safety pin was invented and also who invented it in detail.



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