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28 jobs found.
Explosives Manufacturing Worker
A technical occupation that mixes gunpowder raw materials, safely manufactures explosives, and performs quality control.
Environmental Plant Operator (Sewage)
A job that operates, monitors, and maintains sewage treatment plants, processing effluent to safe water quality compliant with legal standards.
Abrasives Electric Furnace Worker
Abrasives electric furnace workers operate electric furnaces for purposes such as sintering abrasives, controlling temperature and atmosphere to heat-treat metal materials.
Coal Inspector
A profession that collects samples on-site to verify the quality and composition of coal, conducts physicochemical tests, and performs quality determination.
Raw Material Mill Operator (Cement Manufacturing)
In cement manufacturing, operates and monitors raw material mills (ball mills) to crush and finely pulverize raw materials.
Koji Manufacturing Worker (Not Elsewhere Classified)
A food manufacturing technical position that manages the entire process from washing, steaming, and inoculation to culturing and drying to propagate koji mold on rice or barley.
Koji Room Worker (Miso and Soy Sauce Manufacturing)
Koji room workers manufacture koji, the raw material for miso and soy sauce. They control fermentation through appropriate temperature and humidity management to ensure stable quality.
Concrete Plant Operator
A specialist who handles weighing and mixing of raw materials, quality control, machine operation, and maintenance inspections at ready-mixed concrete plants.
Tree Species Collector
Specialist job that collects seeds and scions from forests and supplies materials necessary for seedling production and forestry breeding.
Illuminance Meter Assembler
Manufacturing job that assembles illuminance meter parts, performs adjustments, calibration, and inspections. Requires precise handling of optical components and high accuracy.