High Concentration × Keywords: Foreign Matter Removal
20 jobs found.
IC Board Cleaning Worker
This occupation involves removing fine foreign substances and dirt adhering to the surface or interior of IC boards in a clean room using chemical and physical methods to maintain product quality.
Thread Washing Worker
This occupation involves washing threads prior to use in spinning and weaving processes to remove impurities.
Fish Sorter (Feed Manufacturing)
A manufacturing site job that sorts fish raw materials by size and quality on the feed manufacturing line to ensure the quality of subsequent processes.
Mica Sorting Worker
Manufacturing job that sorts and inspects mica raw materials. Manually judges appropriate particle size and quality, and supplies to subsequent processes.
Gouging Worker
Specialized technical job that uses arc discharge and compressed air to remove unnecessary metal parts, performing groove processing and weld surface shaping.
Paper Sorter
This occupation involves visually inspecting and sorting paper products for defects such as scratches, dirt, and foreign matter in paper mills or paper processing factories, and removing defective products.
Silver Refinery Worker
A profession that separates and refines silver from silver ore or by-products to produce high-purity silver products.
Raw Material Sorter (Paper Manufacturing)
A job that sorts raw materials such as waste paper and pulp using machines or manual labor to meet the quality standards suitable for the papermaking process.
Optical Glass Melting Worker
Manufacturing job that melts high-purity glass for optical lenses in a high-temperature furnace, handling everything from composition adjustment to pouring.
Shifter Worker (Spice Manufacturing)
Manufacturing operator who screens spice raw materials by particle size using a sieving machine (shifter) and removes foreign matter to maintain quality and standards.