Cooperative × Keywords: Crushing

30 jobs found.

Clay preparation worker (Ceramics raw materials)

This occupation prepares raw materials for ceramic products by crushing, screening, and mixing clay, feldspar, silica stone, etc., to achieve the specified quality, particle size, and chemical composition.

Limestone Mining Worker

A site worker responsible for mining limestone from limestone deposits, including accumulation, transportation, and processing.

Sericite Refining Worker (Mining Site)

A job that physically and chemically processes sericite ore through steps such as crushing, washing, and drying to increase purity as a product raw material.

Ore Dresser

Worker who separates and recovers useful minerals from ore using physical and chemical methods and processes them into concentrate ore.

Ore Dressing Engineer (excluding development engineers)

A technical role that designs, operates, manages, and improves mineral processing processes to recover and concentrate valuable minerals from ore.

Tungsten Manufacturer

A job that handles everything from smelting tungsten raw materials to powder production, forming, sintering, and post-processing.

Starch manufacturing worker

A job that extracts and refines starch from raw materials and manufactures products suited to their uses.

Clay Refiner

A manufacturing job that refines clay, the raw material for pottery and porcelain, removes impurities through processes such as purification, kneading, and blending, and stably supplies raw materials for pottery production.

Tonoko Manufacturing Worker

Job involving the manufacture of abrasives called tonoko (abrasive powder). Handles a series of processes from raw material blending to crushing, classification, drying, and packaging.

Perlite Manufacturing Worker

This occupation involves crushing volcanic glass raw ore and rapidly expanding it through high-temperature heating to manufacture lightweight aggregate perlite. Production is managed with control over particle size and quality for use in building materials and agricultural supplies.