Basic Knowledge of Geology × Keywords
4 matching jobs found.
Boring Machine (2)
Soil Survey (2)
Bedrock (1)
Blasting (1)
Clay Extraction (1)
Core Drill (1)
Ground (1)
Heavy Equipment Operation (1)
Mine (1)
Mining (1)
Ore (1)
Refractory Clay (1)
Rock Drill (1)
Safety Management (1)
Sample Collection (1)
Standard Penetration Test (1)
Surveying (1)
TBM (1)
Tunnel Drilling (1)
Underground Construction (1)
シールド掘進機 (1)