What Are the Different Types of Radiography Qualifications?

Radiography refers to a non-destructive inspection method that uses X-rays or gamma rays to detect materials and workpieces, and uses radiographic film as a recording medium and display method. Radiographic inspection is the use of many characteristics of X-rays and -rays (such as photosensitivity). By observing and recording (photosensitive) on radiographic film (negative film) the attenuation changes of X-rays or -rays in the inspected material or workpiece , To determine whether there is a defect in the interior of the inspected material and workpiece, so as to evaluate the quality and use value without destroying or damaging the inspected material and workpiece.