The charity, which was set up to promote (推动) iPads in the classroom, has now given five suggestions to protect children from being affected by electronic (电子的) devices.
该慈善机构旨在在课堂上推广 iPad，如今提出五项建议，帮助儿童免受电子设备的负面影响。
2
Set the affected area face down on a clean cloth or paper towels.
将受影响的部分面朝下，放在一块干净的抹布或者纸巾上。
3
No other user sessions are affected by SET ENVIRONMENT OPTCOMPIND statements that you execute.