Using the FIG 1 to further explain the art, explosive 50 is subjected to a gas separation and {HEAD ~ identification technique} such as {TAIL ~ gas chromatography} , to identify all components in its headspace scent 
Using the FIG 1 to further explain the art , explosive 50 is subjected to a gas separation and { HEAD ~ identification technique } such as { TAIL ~ gas chromatography } , to identify all components in its headspace scent
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