Stone Processing × Required Skills

Safety Management (1) Script Knowledge (Seal Script, Clerical Script) (1) Seal Engraving (1) Stone Cutting and Polishing Skills (1) Stone Cutting and Polishing Technique (1) Stone Cutting and Polishing Techniques (1) Stone Cutting and Processing Skills (1) Stone Engraving Technique (1) Tool Maintenance and Polishing Techniques (1) Tool and Grinding Wheel Selection (1) Weighing Skills (1) Wire Saw Operation (1)