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While performing any kind of experiment with substances that could possibly splash up, every student is given a pair of safety goggles to wear. Once the students are done with the goggles, the goggles are sure to have acquired a lot of bacteria and must be sterilized. For this process, a lot of schools choose to use an ultra violet sterilizer Ultra violet radiation is the name that has been given to the electromagnetic wave lengths of light that fall between the X-ray and visible light rays in the spectrum of light. Ultra violet radiation, or UV radiation for short, is divided into three classifications: UV-A, UV-B, and UV-C. UV-A is the least damaging kind of this radiation, because it has the longest wavelength. UV-A is also