Glossary

A table giving safe distances for the storage of explosives, as approved by the Institute of the Makers of Explosives.

The professional organization of landscape architects in America, founded in1899. Address: 636 Eye Street, NW, Washington, DC 20008.

A nonprofit organization that establishes standard tests and specifications for construction materials; such tests and specifications usually are referred to

A type of I-beam of hot-rolled structural steel; designated by the prefix S placed before the size of the member.

A method of applying rectangular roofing shingles which provides double coverage with a head lap, but no side lap.

An independent organization of trade associations, technical societies, professional groups, and consumer organizations; establishes and publishes standards; formerly known as