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Testing the heat

U.S. Air Force Tech. Sgt. Kristi Gillespie, left, 23d Aerospace Medical Squadron NCO in charge of occupational health, teaches U.S. Air Force Senior Airman Juawana Stringer, 23d AMDS bioenvironmental technician, how to use a Wet Bulb Globe Temperature (WBGT) device at Moody Air Force Base, Ga., May 29, 2014. The WBGT device measures thermal conditions to help bioenvironmental Airmen determine heat conditions which ensure outdoor workers follow proper work and rest cycles. (U.S. Air Force photo by Senior Airman Tiffany M. Grigg/Released)

PHOTO BY: Senior Airman Tiffany M. GriggReleased
VIRIN: 140529-F-HA304-113.JPG
FULL SIZE: 0.7 MB
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