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3953 jobs found.
Optical machinery assembler
Specialized manufacturing technician who assembles optical device parts with high precision to ensure optical performance.
Optical reader operator
Job involving reading characters and code information from documents and slips using optical reading devices, and inputting and managing them as digital data.
Optical Lens Worker
Optical lens workers are manufacturing technicians who polish, process, and coat optical lenses used in cameras, microscopes, telescopes, etc., and handle assembly and inspection.
Optical Lens Manufacturing Engineer (Excluding Production Engineers)
Specialized technician responsible for manufacturing processes such as cutting, grinding, polishing, and coating of optical lenses, producing high-precision optical components.
Hardening Worker (Concrete Products Manufacturing)
A manufacturing job that cures (hardens) concrete products removed from molds under specified temperature and humidity conditions and performs quality control.
Hardening Worker (Cement Mortar Products Manufacturing)
A manufacturing job responsible for forming products made from cement or mortar raw materials, through hardening, curing, and quality inspection.
Hydrogenated Oil Refining Worker
A job that refines hydrogenated oil to produce industrial oils and fats used as raw materials for paints, varnishes, etc.
Hydrogenated Oil Deodorizing Worker
Operates equipment to heat and deodorize hydrogenated oil, performs processes such as steam deodorization and vacuum deodorization, and maintains product quality.
Switch Inspector (Telecommunications Equipment)
Specialized technical job that measures and inspects the performance and quality of switches in telecommunications equipment to confirm operation according to specifications.
Steel pipe manufacturing worker
A manufacturing job that performs a series of processes from steel pipe raw material preparation to rolling, forming, cutting, finishing, and inspection through machine operation and quality control.