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Food Additive Status List | FDA
Aug 26, 2021 · Polymaleic acid and/or its sodium salts - BC, REG, < 1 ppm in boiler feed water - Boiler water additive - 173.310; Specific uses: Boiler water additives, use individually or together at not
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Furnace - Wikipedia
A furnace, referred to as a heater or boiler in British English, is an appliance used to generate heat for all or part of a building.Furnaces are mostly used as a major component of a central heating system.The name derives from Latin word fornax, which means oven.Furnaces are permanently installed to provide heat to an interior space through intermediary fluid movement, which may be air
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