UV-C Ultra Violet Light-C

Ultra Violet light has a shorter wavelength than visible light.
The UV spectrum is divided into A, B, C. UV-C is the part from the UV spectrum with the shortest wavelength.

Some people are using UV-A light to make the skin brown.
The more short wavelength UV-B and UV-C light are dangerous for biological materials.
All bacteria and virus get a deadly sunburn in a UV-C filter system.

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