Acer Aspire S3-391 - Manual (Page 16)

Safety and comfort - 15
- Perform some stretching exercises.
- Breathe fresh air as often as possible.
- Exercise regularly and maintain a healthy body.
- Warning! We do not recommend using the computer on a couch or bed. If this
is unavoidable, work for only short periods, take breaks regularly, and do some
stretching exercises.
- Note: For more information, please refer to "Regulations and safety notices" on
page 104.