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U.S. Marine Corps photo by Cpl. Rocco DeFilippis/Released 020416-M-0000C-000.jpg
Apr 16, 2002
AL ASAD, Iraq (May 3, 2005) - Sgt. David L. Van Bever, weather observer and native of Paramus, N.J., checks the temperature data on a wet-bulb thermometer. The special thermometer factors in actual temperature, a wet temperature and a special copper ball then uses an equation to determine the temperature as it relates to the human body. The wet temperature mimics the effect of perspiration.
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