Three-prong shell

Thrust bolting: roof bolt support apparatus

Tie linking filled sandbags and use in a barrier formed from...

Tie rod assembly for rock borehole anchor

Tie rod support for mine

Tie-rod anchoring apparatus and method

Timbering and walling control for controlling the movements...

Toggle type temporary roof support for mining machinery

Top block for retaining wall

Torque nut for mine roof bolt assembly

Transition plate for a mine roof truss

Traveling trench shore

Traveling trench shore

Travelling bracket

Treatment of inorganic particles with polymer

Treatment of mine tailings

Trench box

Trench box

Trench box moving apparatus and method

Trench falsework panel