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
I think it’s enzymes I hope that works
The way you can protect your self in an abusive relationship is to tell someone whats going on, tell the police, or just leave from the relationship when you get a chance.
B. shortness or breath cause when you breath it'll make you pass out
