Much of the process industry operates on a seven day per week, twenty-four hour per day schedule, and has one thing in common. The common element being key pieces of equipment cannot be worked on or internally inspected unless they are taken out of service in order to perform the required work. As a result, plants often execute what are referred to as shutdowns, outages, or turnarounds. For the sake of this article, let's simply use the word "outages" to identify these significant events.
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