High Concentration × Keywords: Purification
3 jobs found.
Amalgam Worker (Nonferrous Metal Smelting)
Specialized worker who performs smelting operations to extract and refine nonferrous metals such as gold and silver using mercury.
Soap Manufacturing Engineer (Excluding Production Engineers)
Technical position responsible for the entire soap manufacturing process from raw material blending to saponification, molding, and drying.
Clay Refiner
A manufacturing job that refines clay, the raw material for pottery and porcelain, removes impurities through processes such as purification, kneading, and blending, and stably supplies raw materials for pottery production.