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karsyncarissa

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    Measure The Size Of The Small Circle And Cut It Down
    0:33
    Use Compasses To Draw Three Small Circles
    0:25
    Test Whether The Battery Has Current Or Not
    0:29
    Stick The Battery To The Iron Sheet
    0:29
    Install An Electrode Board On The Cardboard
    0:28
    Install A Small Light Bulb On A Piece Of Iron
    0:25
    Weld The Lamp To The Iron Sheet
    0:25
    Cut Two Small Squares On The Cardboard
    0:24
    Apply Glue To The Edge Of The Cardboard
    0:21
    Fix The Measured Board To The Cardboard
    0:20