ASSAYING
\ɐsˈe͡ɪɪŋ], \ɐsˈeɪɪŋ], \ɐ_s_ˈeɪ_ɪ_ŋ]\
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of Assay
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The act or process of testing, esp. of analyzing or examining metals and ores, to determine the proportion of pure metal.
By Oddity Software