Glossary

Aarons rod

An ornament or molding consisting of a straight rod from which pointed leavesor scroll work emerge on either side, at […]

Glossary

A/F

In a portland cement mixture, the abbr. for molar or weight ratio of aluminum oxide to iron oxide

Glossary

A-weighted sound level

The sound level measured with a sound-level meter using Aweighting, which alters the sensitivity of the soundlevel meter with respect

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