Quality Control × Keywords: Pickling
2 jobs found.
Scale Removal Worker (Metal Material Manufacturing)
A job that removes scale (oxide film) adhering to the surface of metal materials before and after casting or rolling processes using manual labor or machinery.
Copper Plate Washing Worker (Copper Rolling Industry)
Occupation that cleans, degreases, and polishes the surfaces of metal sheets (such as copper plates) produced in the copper rolling industry using chemicals, water, and polishing machines to improve quality.