Word: humidityã
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Dates: during 2010-2010
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...proper aisle in the module—a set of four to six aisles—and rises up to the appropriate shelf to pull out the specified book from a cardboard tray that resembles an open shoebox. Books are stored in 50-degree temperature and 35 percent humidity??€”climate specifications that prolong the life of books, according to leading preservationists...
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