Used laptop or tablet in learning each day. Imagine that one day, our time in lessons 1 hour, and then we just have to sit there staring at the tablet with the radiation, making short-sighted us than ever. From that we can read normal books without making us lose sight. Today, there are people wearing glasses or contact lenses, how many eyes. When we looked at the screen, a long, which is also in the pantip have commented that the visible screen, a long, short-sighted eyes lose more. Here is one of the reasons why we should not use a laptop or tablet instead of a textbook.
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