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1 2022-05-26 四年級 Circuit Scribe: Draw Circuits Instantly - YouTube Circuit Scribe is a rollerball pen that writes with conductive silver ink. It makes creating circuits as easy as doodling.We're now retail at https://www.cir... |
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2 2022-05-26 四年級 LED circuit using a graphite pencil - Science Project Ideas - YouTube Science Projects In Tamil has assembled a vast collection of science project ideas written by science teachers, professional scientists, and educational cons... |