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108 jobs found.
Nightsoil Treatment Machine Operator
An operator who operates, inspects, and maintains treatment machines in nightsoil treatment facilities, responsible for safe and hygienic processing.
Purification Worker (Oil and Fat Processing)
A manufacturing job that refines and purifies oil and fat raw materials through chemical and physical processes to improve product quality.
Water Purification Plant Monitor
Monitors and controls the process from raw water intake to purified water supply to maintain safe water quality.
Water Purification Plant Technician
A technical position that operates and maintains water treatment plants to purify raw water and stably supply safe drinking water.
Water Purification Plant Equipment Operator
Job involving operating and monitoring mechanical equipment at water purification plants to supply safe and appropriate water.
Soy Sauce Refining Worker
A job that manufactures soy sauce products using soybeans and wheat as raw materials, from koji production and blending through fermentation and aging.
Vegetable Oil Production Engineer
A profession that extracts and refines edible vegetable oils from raw materials such as seeds and fruits, performs quality control, and optimizes manufacturing processes.
Edible Oil Manufacturing Worker
This occupation handles the entire manufacturing process from raw material processing to refining and filling of edible oils.
Edible Oil and Fat Refining Worker
This occupation involves operating processes from receiving raw materials for edible oils and fats, through refining, decolorization, deodorization, deacidification, etc., to produce oils and fats of quality suitable for consumption.
Edible Oil and Fat Product Manufacturing Equipment Operator
Operates and monitors manufacturing plant equipment for edible oil and fat products to maintain quality and efficiency in the production process.