#ndt Corrosion detection becomes especially challenging when a section of the object being inspected is buried, covered, or coated, as the frequent presence of moisture and chemicals in the non-accessible areas can aggravate the degradation process. Due to that reason the investigation of inaccessible areas e.g. lamp posts inspection becomes a matter of vital importance. The loss in metal thickness caused by corrosion can cause sudden failure and significant damage to people and surrounding property.

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Source: NDT