Excavation × Required Skills

Temporary Support Installation (1) Trench Excavation (1) Trolley Operation (1) Tunnel Boring Machine Operation (1) Tunnel Surveying (1) Underground Safety Work (1) Underground Support Work (1) Understanding of Related Laws and Regulations (1) Understanding of Soil and Terrain (1) Vehicle-Mounted Construction Machinery Operation (1) Vehicle-Type Construction Machinery Operation Skills (1) Vehicle-type Construction Machinery Operation Skill Training (1) Ventilation and Drainage Management (1) Water Level Adjustment (1) Welding Skills (1) Welding and Fastening Techniques (1) Wheel Loader Operation (1) Wire Saw Operation (1) Work Plan Interpretation (1)