Fixing bridge

Flange nut for mine roof bolt

Flexible rock anchor

Flexible telescopic prop for building materials

Fluid containment wall segment

Foamed gel for blocking fluid flow in soil

Foldable concrete retaining wall structure

Foot element and cooperable strut element for use in a roof supp

Force transmission device

Forklift movable cribbing column

Foundation construction using recycled tire walls

Foundation improvement process and apparatus thereof

Frame for forming coverings on ground openings

Framework and method of forming a support structure with...

Free standing support

Friction rock stabilizer

Friction rock stabilizer

Friction rock stabilizer

Friction rock stabilizer

Friction rock stabilizer and a method of isolating the same from