Arrangement of sheet-pile components

Articulated panel structure for lining excavation trenches

Articulating steel cap for underground mining support structures

Automated temporary roof support system for mining equipment

Automatic grid layout system

Auxiliary walking mine support

Barrier element, system, method and connector therefor

Barrier wall made of sheet-pile components

Beam joining cap for trench shield

Bearer plate

Bearing plate

Bearing plate

Bearing plate

Block construction for preventing outflow of ballasts

Block for a retention wall of leaning type, retaining wall const

Block for contstructing retaining wall and constructed retaining

Block interlock offsetting key for use in the construction of a

Block module

Block splitting assembly and method

Block with multifaceted bottom surface