Drying × Classification Details: Construction, Civil Engineering, and Electrical Work Occupations
3 jobs found.
Diatomaceous Earth Extractor
Worker who excavates and extracts raw diatomaceous earth, a natural material, and supplies raw materials for building materials and soil conditioners through drying, crushing, and quality control.
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.
Coal Preparation Worker
Occupation that sorts and concentrates coal or ore mined from mines by particle size or specific gravity to ensure product quality.