Stress Tolerance × Keywords: Tunnel

13 matching jobs found.

Shaft Jumbo Operator

Specialized technical job that operates drill jumbos to drill holes in rock formations in tunnels and underground shafts for blasting preparation.

A labor job involving drilling, blasting, transportation, etc., inside copper mine tunnels to extract copper ore.

Specialized worker who mines ore containing lead in underground or open-pit mines, manages tunnels, performs blasting operations, and transports ore.