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How to make a laser security system at Home (Hindi / Urdu)
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753 on YTPak
Published on 19 May 2014
| over 2 years ago
Working principle of this project:
In this video Mr. Alok Verma and Mr. Atul Pal will show you how to make a laser security system at home at low cost. You can use this project to protect your house, shop and other things.
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