Answer:
1. Neck and Shoulder
2.arms and the back
3.A comfortable place to work
4.The study of people's efficiency in their working environment
5.A poor posture, Vibration, using too much force, frequent lifting
Answer:
TRUE ALL OF THEM . you are the best
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Pica is defined as the persistent indigestion of nonnutritive substances for at least a month at an age for which developmentally inappropriate.
So all those symptoms actually describe A. Anorexia nervosa
