air cushion tank
Same as expansion tank.
Glossary
air content
The volume of air voids in cement paste, mortar, or concrete, exclusive of pore space in aggregate particles, usually expressed
Glossary
air conditioning
1. The process of treating air so as to control simultaneously its temperature, humidity, cleanliness, and distribution within an interior
Glossary
air cleaner
A device (such as an air washer, air filter, electrostatic precipitator, or charcoal filter) which removes airborne impurities such as
Glossary
air circuit breaker
A type of circuit breaker utilized in commercial buildings at medium voltage; the word air refers to the insulating