locksmithing
/ˈlɑkˌsmɪθɪŋ/
noun
- The profession or craft of making, repairing, and installing locks and keys.
- After years of training, she started her own locksmithing business.
- He took a course in locksmithing to learn how to rekey locks and make duplicate keys.
- Locksmithing requires both mechanical skill and an understanding of security systems.