![](https://www.radiationanswers.org/dynamic-media/assets/images/pet-scan.jpg?gravity=center&v=masthead&k=e0wjrgBLYcuNXJXXB%2FvYHA)
Radiation & Me
Industrial Radiography
Industrial radiography is also called nondestructive testing. Radiation is used to inspect pipes, walls, and a variety of structures to look for defects. The source can be a sealed source of radioactive material (iridium-192) or an x-ray machine. An example of industrial radiography is when a radiation source is lowered into piping to the location of a weld and, with photographic film wrapped on the outside of the weld, a radiograph of the weld is taken to assure it is free of defect.