Leader × Keywords: Hardness
6 jobs found.
O-Ring Manufacturing Worker (Rubber)
Occupation of manufacturing rubber O-rings. Involves kneading raw rubber, extrusion molding, mold forming, vulcanization, inspection, etc.
Calcination (Ka) Worker (Abrasive Grain Manufacturing)
The Calcination Worker (Abrasive Grain Manufacturing) is a technical occupation responsible for processes such as raw material blending, forming, drying, and firing to produce high-precision, high-quality abrasive grains used as abrasives.
Metal spring manufacturing worker (by cold forming)
A technical job that manufactures spring parts by cold-forming metal wire rods or strip steel using press machines.
Tempering Worker (Metal Heat Treatment)
A profession that applies heat treatments such as quenching, tempering, and annealing to metal parts, adjusting hardness and toughness to ensure and improve product quality.
Mochi Quality Inspector
A job that inspects and evaluates whether mochi products meet quality standards during the manufacturing process.
File Maker
A manufacturing worker who selects materials for metal files, performs processing, grinding, polishing, tooth setting, and finishing to maintain quality.