💉 How medical needles are made
1:04
YouTubeDigital Brain
💉 How medical needles are made
16 billion times a year, someone gets an injection. And almost no one knows how the needle on top of that syringe is actually made. The answer is nothing like what you think. #didyouknow #science #engineering #facts #medicine #howitsmade #japan #invention #okano #nanopass
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