1. Summarize the obstacles in the way of developing a broadly acceptable standard for floor slipperiness.

2. What engineering approach to risk reduction could be applied to both attacks by former employees and to attacks stemming from domestic disputes?

3. Sometimes in the popular press we find articles suggesting that ergonomists want to eliminate hard physical work. What is a more correct characterization of the ergonomist view of hard physical work?

4. Explain why step uniformity is so important for stairways.

5. Discuss the three physiological systems associated with upper extremity cumulative trauma disorders (CTDs), a subset of MSDs, and provide an example of a CTD/MSD for each of the three systems.