boiling tub, maturing bin
A large tub used to slake high-calcium or magnesium quicklime to form a lime putty.
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boiler steel
A medium-hardness steel which is rolled into plates 0.25 in. (0.6 cm) to 1.5 in. (3.8 cm) thick; used in
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boiler scale
Metal from the inner surfaces of a boiler which decomposes and flakes off (in much the same manner as rust
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boiler room
A room in which one or more steam or hot-water boilers and associated equipment are located.
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boiler return trap
A device used to return condensate to a low-pressure boiler when it cannot flow into the boiler by gravity.
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boiler plate
1. Plates of steel used for making boilers and tanks. 2. The accessories and appurtenances associated with a boiler plant.
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boiler horsepower
A unit of measurement of the power of a steam boiler; equivalent to the evaporation of 34.5 lb of water