Clean Room × Keywords: Surface Treatment
3 jobs found.
Chemical Plating Worker
Artisan who uses chemical reactions of chemicals to form a uniform coating on metal products, imparting corrosion resistance and decorative properties.
Platinum Processing Worker
Occupation that precisely processes platinum (metal platinum) materials into shapes, dimensions, and surface qualities suitable for use in electronic components, chemical catalysts, jewelry, etc.
Ball Manufacturing Worker (For Ballpoint Pens)
A profession that processes and polishes metal precision spheres to manufacture balls used in the tips of ballpoint pens.