Strong sense of responsibility × Classification Details: Gravel, Sand, and Clay Extraction Workers
13 jobs found.
Ballast Collector
Field worker who collects, sorts, and supplies ballast (crushed stone and gravel) used as construction materials.
Bentonite Mining Worker
A field worker who extracts bentonite (swelling clay) through open-pit mining and heavy equipment operation, performing quality selection and shipment.
Abrasive Sand Extractor
Worker who extracts sand for construction materials or abrasives using heavy machinery from rivers, dunes, beaches, etc., and performs selection, loading, and transportation.