From the survey, it was found that the majority of elderly people over the age of 70 years they will have a healthy body that weakening. Brittle easily broken bones. The performance is required and less intelligence. And the elderly often have a working system of the body which degrades performance. Elderly people often have symptoms of hearing. My eyes feel blurry slow plaa, so if the elderly continue to work, it will result in the performance of work reduced. Therefore, in my opinion, the elderly should not continue.
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