Therefore, we should start taking care of and friendly eyes, ranging from very early, before too late, because we have a single pair of eyes, there are no spare change, m.d.Warang khana suggests that if you want to work using the com or screen Smartphone should just keep on flashing eyes and eyes often at least 10-15 times per minute, including persons working on light enough. Resize the book, easy to read Not too small. Like vitamin a
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