How to Make a Powerful Water Pump using Hard disk and bottle

DIY : Learn how to make a water pump using hard disk, bottle, PVC pipe and metal strips. Its very simple homemade centrifugal pump show how it works.

Visit New channel- Mr. NK: https://www.seevid.ir/c/MrNKtools?s...

Glue used in this video : Various Glue used for making Toys & P...

It's Physics working models for science exhibition.

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