Quality Management Techniques (QC) × Keywords: Zinc
2 jobs found.
Silver Parting Worker
A profession that manufactures high-purity metals by removing impurities using methods such as electrolytic refining in the silver parting process of non-ferrous metals.
Smelter (Non-Ferrous Metal Smelting)
A technical occupation that uses crucibles or electric furnaces to melt non-ferrous metal raw materials at high temperatures and performs smelting and refining.