Leader × Keywords: Gravel
5 jobs found.
On-site Mixed Concrete Manufacturing Worker
Specialized occupation that mixes cement, sand, gravel, and water in appropriate proportions on construction sites to manufacture and supply concrete. Performs quality control and slump checks to support placement work.
Gravel Extraction Machine Operator (Gravel Extraction Ship)
This occupation involves operating extraction machines mounted on gravel extraction ships to excavate and recover gravel from the bottoms of rivers and lakes.
Gravel Extraction Worker
A worker who uses heavy machinery in rivers, quarries, etc., to extract and transport gravel, supplying it as construction materials.
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.
Trommel Worker (Gravel Screening)
A job that involves operating trommel machines to screen and sort extracted gravel, sand, and clay by size and quality.