The answer is A. The spotter would not touch the bar, but make sure it did not fall onto the lifter's chest.
I believe the answer is: B. Omit unnecessary task and vary activities
The main purpose of an ergonomics is to study worker's efficiency in the working environment. Efficiency could only be achieved if all time and efforts that workers made is spent accordingly, and focused solely to things that matters to their goals.
Answer:
No
Explanation:
Abusive and verbal are different. Abusive is when hands or physical movement is involved. Verbal is when offensive words are used against someone. This is just someone getting annoyed about someone spending 200 dollars. No one's yelling at each other. No one's fighting.