High Concentration × Keywords: Particle Size
3 jobs found.
Mica Sorting Worker
Manufacturing job that sorts and inspects mica raw materials. Manually judges appropriate particle size and quality, and supplies to subsequent processes.
Sifting Worker (Calcined Gypsum Manufacturing)
Job involving sifting raw materials for calcined gypsum through sieves, performing crushing and blending, and adjusting particle size to meet quality standards for gypsum products used in building materials, etc.
File Maker
A manufacturing worker who selects materials for metal files, performs processing, grinding, polishing, tooth setting, and finishing to maintain quality.