Retirement/Replacement. Many of the engineering and design failures described earlier in this paper were the result of failures to bound the system properly, specifically interactions with environmental factors, and failures to adequately address planned and unplanned interactions among system components ...
As a final example, JR, who had been unemployed for five years following an on-the-job back injury, described being stuck in a life of struggling to make ends meet as a recipient of Social Security disability benefits. JR expressed wanting to move forward in obtaining employment in the U....