সিম কার্ডে এরকম দাগ থাকে কেন? | Why are these lines in Sim Card? Most Amazing Facts 

সিম কার্ডে এরকম দাগ থাকে কেন? | Why are these lines in Sim Card? Most Amazing Facts
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𝐌𝐤𝐭𝐯 𝐁𝐚𝐧𝐠𝐥𝐚 is A Bengali Facts Related RU-vid Channel. Here You Will Find Facts, Mystery, Science Fiction & Education Related Videos Regularly. This Channel's Purpose is To Entertain You With Mysterious & Unbelievable Contents.
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