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    How to convert a pdf file into a PPT file?

    0  Views: 802 Answers: 2 Posted: 13 years ago

    2 Answers

    See here>>https://www.freepdfconvert.com/pdf-powerpoint

    Magnetic fields come from two places Permanent magnets and electrical current flow. You have both in your laptop the speakers in your laptop use permanent magnets and depending on the model there might be magnets link above the screen to hold the laptop shut without a mechanical latch. My MacBook Pro has magnets link in the speakers and above the screen powerful enough to hold down a pair of steel tweezers so it's link not nothing.



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