EPAregistered, insecticidal preservative prohibits termite damage, rot and decay; Ideal for docks and piers, fence posts, poles, pickets and rails, construction posts, foundation sills, stairs, porches and steps, landscape timbers and more

A. Abutment In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back ...