- Precious metal processing technician
- Jewelry Processing Technician
- Metal Craftsman
- Jewelry appraisal technician
- Clock repair technician
- precious metal processing industrial engineer
- Jewelry Coordinator
- Jewelry Master, etc.
The field of business/employment
- Famous jewelry shop salespeople in Korea, jewelry manufacturers, diamond appraisal laboratories, jewelry processing and diamond processors, shop-master, jewelry designer, jewelry coordinator, jewelry shop self-employed, overseas employment (Japan, China, Thailand), transfer to four-year art college, etc.