Answer the following within a word limit of 75 words each:
1. What engineering approach to risk reduction could be applied to both attacks by former employees and to attacks stemming from domestic disputes?
2. What is the limitation in saying that a crack in a floor surface with a difference in elevation of more than 10 mm is a hazard?
3. In many worksites, when a worker has a small scratch or cut, he/she visits the OSH representative for first aid. If you are the OSH person, what words would you say to explain why you put on surgical gloves before cleaning and patching the wound?
4. Summarize the obstacles in the way of developing a broadly acceptable standard for floor slipperiness.
5. Explain why step uniformity is so important for stairways.