A point within a body such that, if the whole mass of the body were concentrated there, the attraction of […]

A structure that houses doves or pigeons; often square, hexagonal, octagonal, or round in plan and one-and-a-half or two stories

A strong, medium-density, medium- to coarse-textured softwood; widely used for plywood and as lumber and timber in construction work.

Concrete which is prestressed in two directions that are mutually perpendicular.

1.A cant strip. 2. A tilting fillet. 3. See arris fillet.