Factory work × Keywords: Foreign matter removal

11 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.

Rough Tea Sieving (Sieving) Worker

A manufacturing process worker who sieves rough tea using sieving machines and selects tea leaves according to standards.

Waste paper sorter (paper manufacturing)

Occupation that sorts and refines waste paper and processes it appropriately as raw material for recycled paper.

Screening Worker (Pulp Manufacturing)

Occupation that uses sieves (screens) in the pulp manufacturing process to remove impurities and variations in fiber size from the pulp, maintaining consistent product quality.

Crystal Sorter

Worker who visually inspects raw crystal stones for scratches, impurities, transparency, etc., and classifies and sorts them by grade.

Tea Sorting Worker

A manufacturing worker who sorts and inspects tea leaves, removing foreign matter and defective leaves to uniformize quality.

Soba Flour Manufacturer

A profession that manufactures edible soba flour from buckwheat kernels (hulled buckwheat grains) through processes such as cleaning, dehulling, grinding, sifting, and drying.

Wool comber

A job that operates a combing machine to remove impurities from raw wool such as sheep wool, align fibers in parallel, and obtain uniform fiber bundles.

Semiconductor Device Refiner

Technical job that refines high-purity silicon raw materials using chemical and physical methods to manufacture semiconductor device materials.

Melting Worker (Non-Ferrous Metal Smelting)

A manufacturing job that melts and refines non-ferrous metals, achieving the specified metal composition through temperature control and impurity removal.