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osamaalamgirx7

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    Zoom into a microchip 😳 what's there?
    3:39

    Zoom into a microchip 😳 what's there?

     3  views
    How a computer works
    42:32

    How a computer works

     5  views
    Electro magnetic wave and radio
    2:11

    Electro magnetic wave and radio

     9  views