Gravel, Sand, and Clay Extraction Workers X Keywords: Quality Control
3 matching 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.
Screen Operator (Gravel Extraction)
This occupation involves operating machinery such as vibrating screens at mining sites to sort and classify extracted gravel by particle size and quality.
Sand Washing Worker
A profession that washes collected sand and gravel with water, removes impurities, and performs sorting and dewatering according to quality standards.