HomeCollege Majors ListMechanic and Repair Technologies/Technicians MajorsLocksmithing and Safe Repair Major Locksmithing and Safe Repair Major A program that prepares individuals to apply technical knowledge and skills to make, repair, maintain, modify, and open locks; to make keys; to enter and change lock and safe combinations; and install and repair safes. Majors in Mechanic and Repair Technologies/Technicians