{HEAD ~ The present invention} relates to {TAIL ~ a method} to produce pseudoscents of explosive materials that are themselves entirely devoid of any explosive material, and can be used to compliment or supplant the use of real explosives in the training and evaluation regimen of explosive detecting dogs and other creatures 
relates to
{ HEAD ~ The present invention } relates to { TAIL ~ a method } to produce pseudoscents of explosive materials that are themselves entirely devoid of any explosive material , and can be used to compliment or supplant the use of real explosives in the training and evaluation regimen of explosive detecting dogs and other creatures
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