Glowing metal

U.S. Air Force Staff Sgt. Tanita Johnson, 23rd Equipment Maintenance Squadron non-destruction inspections floor lead, uses a magnetic particle to inspect parts of an aircraft for defects at Moody Air Force Base, Ga., Oct. 11, 2011. After the aircraft parts are coated in a special liquid, a black light is used to look for liquid which may have seeped into the defects, creating a glowing effect within the flawed area. The glowing effect helps with detection. (U.S. Air Force photo by Staff Sgt. Stephanie Mancha/Released)

PHOTO BY: Staff Sgt. Stephanie ManchaReleased
VIRIN: 111011-F-EI771-041.JPG
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