Ergonomics

The computer chair should be stable and allow the students to have a comfortable position. When students seated, students should have their feet flat on the floor.
Relative humidity in the classroom should be 50-75%, moreover classroom temperature should be 20-24 degrees celsius. Due to lightening , it must be 300-500 lux on the table top. Computer monitor should be positioned so that it is not reflected from the window.
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