【12-2】Daily Occupational Health Quiz
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This post was last edited by AChuan on 2016-12-5 at 13:01. [12-2] Daily post for Occupational Health Section: It’s quite common these days for children to use smartphones. What do you think is an appropriate duration for them to use their phones each time?
Children using mobile phones severely affects their studies and physical health.
Mobile phones cause the most harm to children’s eyes; it’s best not to use them for more than half an hour at a time.