Airman 1st Class Nikki Silvestri, 4th Component Maintenance Squadron physical dimensional technician, calibrates a digital torque wrench using a CDI multi torque station at Seymour Johnson Air Force Base, North Carolina, Oct. 19, 2020. The Precision Measurement Equipment Laboratory shop calibrates 2,700 torque wrenches a year. (U.S. Air Force photo by Airman 1st Class Kimberly Barrera)