Quality Control × Keywords: Analysis
2 jobs found.
Glycerin Boiling Worker
A manufacturing worker who heats, distills, and concentrates glycerin-containing solutions to achieve the specified purity and concentration.
Melting Worker (Non-Ferrous Metal Smelting)
Specialized manufacturing site job that melts non-ferrous metal ores or scraps in high-temperature furnaces and adjusts and refines chemical components.