Numerical & Quantitative Analysis × Keywords: Transparency

4 matching jobs found.

Glass Annealing Worker

This occupation involves heat-treating glass products in an annealing furnace (annealing furnace) to remove internal stresses, thereby improving product strength and transparency. It plays a role in maintaining and enhancing quality through furnace temperature control and product inspection.

Crystal Polisher

A craftsman who polishes raw or semi-finished crystals using machines or by hand to provide final finishing for jewelry, optical parts, and similar items.

Crystal Sorter

Worker who visually inspects raw crystal stones for scratches, impurities, transparency, etc., and classifies and sorts them by grade.

Film Inspector (Plastic)

A manufacturing job that inspects the surface and quality of plastic films visually and with measuring instruments, and sorts out defective products that do not meet standards.