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775 Motor ओर Speaker Cone से बनाए Air Pump का बाप || Top New Invention
Hello friends aaj is video me ham 12vdc 775 motor and speaker cone se air pump banayenge.
🔴 Intagram id
/ samarexperiment
#speaker #775motor #dcmotorscienceproject #airpump #pump #samarexperiment
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samexpofficial@gmail.com