Pivot connections for use with mine roof supports

Pivot connections for use with mine roof supports

Pivot joint for underground mining installations

Placement of a substantially non-flowable cementitious material

Plantable geosynthetic reinforced retaining wall

Plantable noise abatement wall

Plantable retaining wall

Plantable wall block assembly and retaining wall formed...

Plastic block retaining wall with attached keylock facing panels

Plastic lined canal

Plastic material mesh structure

Plastic material mesh structure

Plastic retaining wall construction

Plastic rock-bolt or dowel

Plastic sheath for wood bulkheads

Plastics material mesh structures

Plate for use in support of a mine roof

Plug connection for planar barrier webs

Plug member

Point anchor coated mine roof bolt