<P> Modern fingerprint powders have a variety of compositions , and are often a matter of personal choice by the expert using them or down to the standard procedure of the department or agency . Many agencies use proprietary powders produced by independent companies , and so the exact formulation of these powders is not revealed . </P>
<P> Modern fingerprint powders have a variety of compositions , and are often a matter of personal choice by the expert using them or down to the standard procedure of the department or agency . Many agencies use proprietary powders produced by independent companies , and so the exact formulation of these powders is not revealed . </P>
what kind of powder is used for fingerprinting
what kind of powder is used for fingerprinting
a variety of compositions
a variety of compositions