An indented trapezium serving as an embattled parapet. (See illustration p. 28.)

A passage for ventilation between thermal insulation and roof boards.

A decorative molding enclosing a door or arch.

1. A minor wing of a building. 2. A door jamb. 3. A rear pilaster, partially visible within a cluster of columnar

A type of pump for raising water from a well, consisting of a pipe which surrounds another of smaller diameter; compressed air

1. The unobstructed vertical distance between the lowest opening of a faucet (or the like) which supplies a plumbing fixture (such as tank

An air distribution outlet, usually located in the ceiling and consisting of deflecting vanes discharging supply air in various directions and planes, and

A type of window lock requiring a special key or wrench to open it; used where the window is to