Basic Machine Maintenance Knowledge × Keywords: pH Control
2 jobs found.
Ketchup Manufacturing Worker
This occupation involves manufacturing tomato ketchup from raw materials such as tomatoes, handling a series of processes including blending, heating, sterilization, filling, and packaging.
Melting Purification Worker (Non-ferrous Metal Smelting)
A technical job responsible for the melting and purification processes of non-ferrous metals, dissolving and refining raw metals in the pre-stage of electrolytic refining.