Sand stabilization in selected formations
Scrubber squeegee apparatus
Sealing
Sealing methods for mine or tunnel roof anchoring bolts
Segmented earth boring drill bit
Self drilling rock bolt
Self drilling rock bolt
Self propelled mine roof supports
Self-drilling anchor dowel
Self-drilling fastening element
Self-drilling thermal bolt
Self-loading conveyor
Self-propelled trench-shoring apparatus
Self-propelled vehicles
Self-seating expansion anchor
Self-tapping, and self-tapping and self-drilling, rock bolts
Setting method for anchoring a fastening element
Setting retarder composition for use in cementation and...
Shaft and tunnel lining
Shaft drill break-out system