Keywords > Hardening
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24 jobs found.
Waste Oil Treatment Worker (Chemical Product Manufacturing)
A manufacturing job that collects used oil and waste oil, re-resources or detoxifies it using physical and chemical methods.
Oil Quenching Worker (Metal Heat Treatment)
A manufacturing technical position that heats metal parts and then rapidly cools them in oil to achieve hardening and microstructure adjustment.
Curing Worker (Concrete Product Manufacturing)
Manufacturing job responsible for the curing (hardening) process of concrete products, managing temperature and humidity to ensure product quality.
Wax Manufacturer
Manufacturing process involving melting, mixing, adding, forming, and cooling various waxes from raw materials, including quality control and packaging.