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Use "economizers" in a sentence
"[The USCM's] lobbying efforts provided countervailing pressure against conservative economizers and made the administration's requests seem more centrist to Congressional moderates."
"With such a method that portion of the plant carrying the steady load is so proportioned that the boilers may be operated at the point of maximum efficiency, this point being raised to a maximum through the use of economizers and the general installation of any apparatus leading to such results."
"In general, feed water heaters may be divided into closed heaters, open heaters and economizers; the first two depend for their heat upon exhaust, or in some cases live steam, while the last class utilizes the heat of the waste flue gases to secure the same result."