A model for saving electricity made by Sumon Boiragi, a student of class ten of Shripur Madhusudan Secondary School of Kalinagar Village of Terokhada Upazila in Khulna was exhibited at the National Science and Technology Museum in the city on Wednesday.

A model for saving electricity made by Sumon Boiragi, a student of class ten of Shripur Madhusudan Secondary School of Kalinagar Village of Terokhada Upazila in Khulna was exhibited at the National Science and Technology Museum in the city on Wednesday.
A model for saving electricity made by Sumon Boiragi, a student of class ten of Shripur Madhusudan Secondary School of Kalinagar Village of Terokhada Upazila in Khulna was exhibited at the National Science and Technology Museum in the city on Wednesday.
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