Gravel, Sand, and Clay Extraction Workers X Workstyle: Contract employee
3 matching jobs found.
Gravel Extractor
Civil engineering worker who extracts gravel from rivers or quarries and performs sorting and transportation.
Gravel Sorter (Extraction Site)
Gravel sorters classify gravel excavated at extraction sites by size and quality using sieves or conveyors, and remove impurities to ensure the quality of construction aggregates.
Bentonite Mining Worker
A field worker who extracts bentonite (swelling clay) through open-pit mining and heavy equipment operation, performing quality selection and shipment.