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Why is one corner of the SIM card cut? Half of the country's population does not know the engineering behind it.

SIM Card: The SIM card is an important part of the mobile. Without it, you cannot use your phone. You may have noticed that there is a slight cut on one edge of the SIM card. Have you ever wondered ...
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SIM Card: Why is the corner of the SIM card cut? There is a big logic behind this which most people do not know..

We use so many things in our daily life, but never pay attention to their design. From the USB port to the buttons of your shirt, there is a special reason behind the design of everything. One such ...