Statistical Quality Control × Keywords: Foreign Matter Removal

4 jobs found.

Optical Glass Melting Worker

Manufacturing job that melts high-purity glass for optical lenses in a high-temperature furnace, handling everything from composition adjustment to pouring.

Vacuum Melting Worker (Oxygen-Free Copper Smelting)

Worker who uses a vacuum furnace to melt and refine oxygen-free copper to produce high-purity copper.

Serplane Inspector (Raw Silk Manufacturing)

A profession that inspects raw silk on serplanes in the raw silk manufacturing process, detecting defects and evaluating quality such as dimensions and luster.

Linter Refining Worker

A manufacturing job that chemically and mechanically processes impurities contained in cotton linter (short cotton fibers) to improve quality as raw materials for fiber products and industrial materials.