English Technical Literature Reading × Personality Traits: Attentive
2 jobs found.
Fatty Acid Refiner
Occupation responsible for manufacturing high-purity fatty acids through chemical and physical processing using vegetable oils, animal fats, etc., as raw materials.
Vacuum Melting Worker (Oxygen-Free Copper Smelting)
Worker who uses a vacuum furnace to melt and refine oxygen-free copper to produce high-purity copper.