Optical Knowledge × Personality Traits: Attentive
2 jobs found.
Quartz Hole Driller
A profession that performs high-precision hole drilling processing on crystalline materials such as crystal and quartz to produce products suitable for jewelry and electronic and optical component applications.
Film Light-Blocking Printing Worker
A profession that applies resin to photosensitive light-blocking film used in printing processes and creates high-precision plates through processes such as exposure and development.