Excavation Worker × Keywords

3 matching jobs found.

Excavator (2) Geological Survey (2) Bedrock (1) Blasting (1) Blasting Excavation (1) Boring (1) Face (1) Shoring (1) Shotcreting (1) Surveying (1) TBM (1) Tunnel Boring Machine (1) Underground Construction (1) シールド掘進機 (1)

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