Glossary

armor plate

A metal plate which protects the lower part of a door from kicks and scratches; similar to a kickplate but […]

Glossary

arm conveyor

A conveyor for building materials in the form of an endless belt or chain, to which are attached projecting arms

Glossary

armature

1. The heavy-current winding of a motor or generator. 2. The winding in a solenoid or relay. 3. Structural ironwork

Glossary

arkose

Sandstone containing 25% or more feldspar grains in abundance; used as building stone.

Glossary

ark

An ornamental, enclosed repository in a synagogue for the scrolls of the Torah.

Glossary

ARI

Abbr. for Air-Conditioning and Refrigeration Institute

Glossary

Areaway

An open subsurface space adjacent to a building used to admit light or air as a means of access to

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