They could make a matrial that wolnt rust, and that will not wear down/ break
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:
Developed nations make up about 75% percent of the world’s population and consume about 20% percent of its resources
Explanation:
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A. Oxygen, this is why it is very important to keep breathing while exercising.
