secretage
Obsolete spelling of subject
A process in which mercury, or some of its salts, is employed to impart the property of felting to certain kinds of furs.
An old design of saw that used a relatively narrow blade, kept stiff by tension through the frame.
By means of, or in terms of, cryptanalysis.
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DiQt（ディクト）
無料
★★★★★★★★★★
