Particle Size Control × Classification Details: Gravel, Sand, and Clay Extraction Workers
2 jobs found.
Olivine Sand Miner
Specialized worker who mines olivine sand from olivine deposits, transports it, performs primary processing, and manages quality.
Gravel, Sand, and Clay Extraction Worker
Workers who extract gravel, sand, and clay from riverbeds, mountains, and other locations, sort and transport them, and supply them as construction materials.