Civil Engineering Construction Management Technician × Classification Details: Mining and Quarrying Occupations
3 jobs found.
Silica Sand Extractor
Worker who extracts silica sand from rivers, coasts, etc., and handles transportation, sorting, and loading.
Underground Self-Propelled Frame Assembler (Inside Tunnel)
Worker who uses self-propelled support construction machines inside tunnels to assemble frames of support materials and prevent tunnel collapses.
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.