Gravel, Sand, and Clay Extraction Workers X Keywords: Heavy Machinery Operation
3 matching jobs found.
River Sand Extractor
Worker who extracts sand from rivers using heavy machinery and supplies it as civil engineering materials.
Gravel Extraction Worker
Workers who use heavy machinery to extract, select, and transport gravel in rivers or quarries. They supply construction materials while performing quality control and safety management.
Gravel Extractor
Civil engineering worker who extracts gravel from rivers or quarries and performs sorting and transportation.