Working principle of ball pen

samarjeetsaigal

samarjeetsaigal

@samarjeetsaigal-SMCw6m • Oct 25, 2024
Can anyone explain me the working principle of ball point pen???
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  • stray fire engg.

    stray fire engg.

    @stray-fire-engg-L82Tir • Aug 7, 2010

    atmospheric pressur yaar
    0
  • Kaustubh Katdare

    Kaustubh Katdare

    @thebigk • Aug 7, 2010

    stray fire engg.
    atmospheric pressur yaar
    Maybe you should restrict language to English. This is an international forum.
    0