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Organising a work space

PostPosted: Tue Oct 22, 2019 7:26 am
by ZENG Aijing
Keep a distance of 30cm from the computer.
Use a computer for 30 minutes each time.
Use a computer for 3 days a week.
Can't use the computer for 2 hours before going to bed.
Use a computer for no more than 3 hours a day.