Chemicals × Classification Details: Other Product Manufacturing and Processing Workers (Metal Products)
2 jobs found.
Acid Pickling Worker (Metal Product Manufacturing Excluding Plating)
A worker who cleans oxides and dirt adhering to the surfaces of metal products using chemical agents to ensure material quality.
Hole Plugging Worker (Aluminum Product Manufacturing)
A manufacturing operation role in the surface treatment process of aluminum products, where pores generated in the oxide film after anodizing are sealed to improve corrosion resistance and wear resistance.