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Test # 39


1.
This castle has been here since the 16th century and hasn't really changed it has stood the test of ________ .

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  • Precautions while using X Rays

    TIME

    When you need to use an x ray system, work quickly and efficiently. Experiments should be carefully planned and rehearsed to minimize the exposure time. X rays can be very penetrating. The voltage of the system indicates how penetrating the x rays will be. The higher the voltage of the generator, the more penetrating the radiation. Just like gamma rays, x rays interact with molecules in the body to produce ion pairs.


    Chourishi Systems