Glossary

On drawings, abbreviation for actual

A curtain, behind the asbestos curtain in a theater, which closes the proscenium and serves as an indication of the

1. An elevated pedestal bearing a statue, particularly if raised from the substructure on supports. 2. The plinth of a

A carpet having a combination of acrylic and modacrylic fibers; known for its stain-resistant qualities, high durability, and wool-like appearance.

A synthetic fiber manufactured by polymerizing acrylonitrile.

A unit of land measurement equal to 43,560 sq ft or 4046.85 sq m; 1 sq mile (2.59 sq km) equals 640

An acoustical material applied by a spray process to form a continuous finished surface.

An acoustical material in board form, often having unit dimensions of 24 in. by 24 in. (approx. 61 cm by