Gravel, Sand, and Clay Extraction Workers X Recommended Skills: GPS Surveying
2 matching jobs found.
Sand Extraction Worker
A field worker who uses heavy machinery to extract sand from rivers, coasts, quarries, etc., and supplies it 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.