The small particles bind into the fatty/oily factors in the fingerprint residues because of the addition of a surfactant; That is only feasible mainly because of the relative steadiness of those elements taken care of with time. Thus, aged fingerprints is often formulated by using the small particle reagent method. https://johnw439ktf3.humor-blog.com/26452409/the-imr-green-smokeless-gun-powder-diaries