Question 1: Now think about something you do, where you count on proper maintenance for your life's sake. Would you ever consider it acceptable to reduce or pare back on the suggested maintenance? Why or why not? Question 2: So, when is the cost of redundancy worth the investment? To answer this, first think of an example in your everyday life where redundancy has been used to improve reliability. Capture your example in the following area. Question 3: We will end this section on maintenance metrics with a discussion board. Consider that safety measures are often correlated to maintenance performance. Why do you think this is?