A bracket attached to a windowsill, which projects outside the window; used to support a scaffold.

The individual or firm who is the employer of craftsman required for erecting a building in accordance with the plans

Small regular or irregular cavities, usually not exceeding 5 €ž8 in. (15 mm) in diameter, resulting from entrapment of air

A two-wheeled or fourwheeled cart, often motor-driven, usually rubber- tired, for transporting small quantities of concrete from hoppers or mixers