루비와 사파이어의 다양한 처리 및 동향에 관한 연구

A Study on the Development about Ruby Sapphire for Disposal Presentehdgid State

Maintenance training is generally provided to teach employees new knowledge and techniques in order to increase their qualities. It means that the purpose of maintenance training is to increase an employee s knowledge or technique level and to maintain or increase their performance level through continuous training in their field, and the methods, contents and the level of training vary depending on the type of job they perform. Maintenance training is more important for jobs that require continuous technical increases or research, or for professional jobs that continuously require new knowledge and techniques. The purpose of this study is to provide quality service to consumers by responding to the rapidly changing jewelry distribution environment and to quickly and accurately acquire new and advanced jewelry inspection and appraisal techniques, and to contribute to the healthy consumption culture through a general quality increase in the jewelry industry.