Drilling heads for tunneling machinery
Drilling heads for tunnel piperoof grouting machinery
Size: 3648px × 5472px
Photo credit: © Oliver Förstner / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: boring, building, concrete, constructing, construction, cutting, digging, dirt, drill, drilling, engineering, excavation, front, geology, grouting, head, industry, machine, machinery, mineral, mining, piperoof, securing, site, soil, supporting, tunnel, tunneling, underground, working
