Se is used as a gamma source in industrial radiography.

Caesium-137 is not widely-used for industrial radiography because it is quite chemically reactive, and hence, difficult to handle.

Iridium-192 is commonly used as a gamma ray source in industrial radiography to locate flaws in metal components.

In industrial radiography, energy goes from 20 to several hundreds of kV according to the application.

Rather than the "camera" being a device that accepts photons to record a picture, the "camera" in industrial radiography is the radioactive photon source.

In some cases, industrial radiography is done with neutrons.

The package contained Iridium-172, which is used for industrial radiography.

In the 1950s, radon has been used in industrial radiography.

Thulium-170 is one of the four most popular radioisotopes for use in industrial radiography.

Zinc iodide is often used as an x-ray opaque penetrant in industrial radiography to improve the contrast between the damage and intact composite.