English Literature Reading × Classification Details: Ironmaking, Steelmaking, and Non-Ferrous Metal Smelting Workers
4 jobs found.
Yttrium Manufacturing Worker
A metal metallurgy worker responsible for the manufacturing and refining processes of yttrium and its compounds.
High-Purity Silicon Manufacturing Worker
Specialized profession that smelts and purifies high-purity silicon to manufacture materials for semiconductors and solar cells.
Electrolytic Copper Manufacturing Worker
Worker who manufactures high-purity copper using the electrolytic refining method. Performs electrolytic cell operation management, quality inspection, and safety and health management.
Semiconductor Material Refiner (Polycrystalline Silicon, etc.)
A manufacturing technical position that purifies polycrystalline silicon and others to high purity and supplies raw materials for semiconductor wafer manufacturing. Operates chemical reaction equipment and high-temperature furnaces, handling everything from raw material preparation to quality control.