Ultrasound was used to gather the accompanying corrosion data on the thickness of the floor plate...

Ultrasound was used to gather the accompanying corrosion data on the thickness of the floor plate of an above ground tank used to store crude oil; each observation is the largest pit depth in the plate, expressed in milli-in: 40, 52, 55, 60, 70, 75, 83, 85, 90, 90.
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