http://blog.safecomputingtips.com/healthy-computing/are-you-getting-headache-while-working-on-your-computer-for-longer-hours/ Safe Computing Tips Mon, 18 Apr 2011 11:02:09 +0000 hourly 1 http://wordpress.org/?v=3.1.1 http://blog.safecomputingtips.com/healthy-computing/are-you-getting-headache-while-working-on-your-computer-for-longer-hours/comment-page-1/#comment-7708 krunal Sat, 29 Jan 2011 15:16:41 +0000 http://www.safecomputingtips.com/blog/healthy-computing/are-you-getting-headache-while-working-on-your-computer-for-longer-hours/#comment-7708 how many hours we can work on computers{black and white} for 6hrs or 8hrs, i am working on computer for 12hrs to 16hrs.Please reply how many hours we can work on computers{black and white} for 6hrs or 8hrs, i am working on computer for 12hrs to 16hrs.Please reply

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