Alondra Perez, middle, and fellow Woonsocket High School biotech-program students don clean suits and protective eyewear as they prepare to enter C.R. Bard’s Davol facility in Warwick. Twenty-four students from the program received firsthand looks and insight into various aspects of the medical-device field during the Dec. 5 tour. Davol is a wholly owned subsidiary of C.R. Bard, Inc.