Civil Engineering Construction Management Technician × Classification Details: Other Mining and Quarrying Occupations
2 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.