Adaptability × Keywords: Sand
2 matching jobs found.
Placer Mining Worker
Workers who extract placer minerals from rivers, seas, and quarries, and perform loading and sorting to prepare them for shipment as civil engineering and construction materials.
Sand Washer (Nightsoil and Sewage Treatment Facilities)
Worker responsible for removing sand and solids from nightsoil or sewage, in charge of the preliminary stage of the purification process.