castle
A stronghold; a building or group of buildings intended primarily to serve as a fortified post; a fortified residence of […]
Glossary
Glossary
dead-air space
Unventilated air space within a structure, as in a shaft, ceiling, or hollow wall.
Glossary
cast-iron pipe, cast-iron soil pipe
A pipe fabricated of an iron alloy containing carbon and silicon; usually lined with cement or coal-tar enamel and coated
Glossary
deactivator
A tank containing iron filings which removes active oxygen and other corrosive elements from water that passes through it.
Glossary
deactivation
The reduction or removal of the corrosive qualities of water, usually by passing the water through a deactivator while hot.