Sit half an arm’s length away from the computer., True, False , Posture is the way you hold your body. , True, False, Keep your back bent and supported by the back of the chair. , True, False, Keep blinds closed and use a medium light level in the room. , True, False.

Papan mata

Gaya visual

Pilihan

Tukar templat

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Pulihkan autosimpan: ?