Refining × Industry & Occupation: Engineering & Manufacturing
68 jobs found.
Zinc Distillation Worker
A metal smelting technical job that heats and vaporizes zinc ore or scrap in a distillation furnace, cools it, and recovers high-purity zinc.
Aluminum Melting Worker
This occupation involves processing scrap or ingots of aluminum alloys in melting furnaces, adjusting and refining the molten metal, and supplying it to the casting process.
Olive Oil Manufacturing Worker
Occupation of manufacturing edible olive oil through oil extraction and refining processes from olive fruits.
Cacao Mass Manufacturing Worker
A profession that manufactures cacao mass, necessary for chocolate production, using cacao beans as raw material.
Fish Oil Manufacturing Worker
A manufacturing job that extracts and refines oils and fats from fish by-products and residues, supplying them for uses such as food, feed, and pharmaceutical raw materials.
Silver Refinery Worker
A profession that separates and refines silver from silver ore or by-products to produce high-purity silver products.
Metal Silicon Refining Worker
Job of manufacturing metal silicon from quartz or silica ore. Operates high-temperature electric furnaces, responsible for everything from raw material charging to melting, reduction, refining, and mold pouring.
Walnut Oil Worker
This occupation extracts oil from walnut kernels, filters and refines it to produce edible oil. Main tasks include raw material quality control, machine operation, and hygiene management.
Germanium Refiner
An occupation that refines and purifies high-purity germanium from germanium ores or compounds as raw materials through chemical and thermal treatments, manufacturing materials used in semiconductors and optical applications.
Raw rubber refining worker
This occupation involves processing raw rubber with kneaders, adjusting formulations, temperature, and pressure to manufacture uniform rubber base materials.