tunnel worker

• minerOne who excavates ore
• diggerOne who unearths
• excavatorMachine that digs earth
• undergroundBelow ground or countercultural
• hardhatProtective construction headwear

drill · subway · bore · shaft · dynamite · shovel · headlamp · dust · darkness · rubble · concrete · sweat · jackhammer · sandhog · ventilation · collapse · scaffolding · wheelbarrow

• construction workersconstruction worker, laborer, foreman, site foreman, site supervisor
• rail workerslocomotive engineer, train conductor, rail conductor, engine driver, train engineer
• sewer workersdrain cleaner