Particle Size Control × Workstyle: Outdoor Work
3 jobs found.
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.
Crushed Stone Manufacturing Equipment Operator
A job that operates, inspects, and maintains equipment for crushing and sorting raw stones at quarries or plants to produce crushed stones of specified particle sizes.
Roll Operator (Mining)
A job that operates roll-type crushers, handling ore crushing, particle size adjustment, and equipment inspection and maintenance.