Cleanroom Work Procedures × Classification Details: Ironmaking, Steelmaking, and Non-Ferrous Metal Smelting Workers
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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.