1. Monitor
Computer monitors typically use a picture tube (CRT) that can emit light intensity is high enough to be accepted by the human eye. Therefore, part of this device must have anti-radiation screen, to avoid eye damage.
To reduce the complaints of the eye, there are some things to consider.
a. Place the monitor in such a way so that all subjects did not reflect the monitor screen
light from other light sources.
b. Put the monitor is lower than the horizontal line of the eye, so do not look down
c. Arrange the monitor so that light is not too bright and dark
d. Wink frequently to keep the eyes not dry. Every now and then looked deep into outer space.
2. CPU (Central Processing Unit)
Part of these computers may not directly come into contact with hands (moist) because the existing power of the CPU can sting humans.
a. Wet hands either by water or sweat can not be directly in contact with the CPU.
b. Existing power flow on the CPU can cause shock. (more…)
