Tungsten, the copyright holder of this work, hereby publishes it under the following license:

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This work has been released into the public domain by its author, Tungsten. This applies worldwide. In some countries this may not be legally possible; if so: Tungsten grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

This diagram demonstrates the nuclear fuel cycle. Uranium is mined, enriched and manufactured to nuclear fuel (1) which is delivered to a nuclear power plant. After usage in the power plant the spent fuel is delivered to a reprocessing plant (2) or to final repository (3) for permanent storage in a safe place, such as inside rock. In reprocessing 95% of spent fuel can be recycled to be returned to usage in a power plant (4).

I made the image myself. It is public domain.