| http://www.w3.org/ns/prov#value | - Finally, law enforcement officials are developing newer sense-enhancing (or sense-replacing) technology: handheld gun detectors are able to provide police officers with the shape and location of metal objects concealed on a person, while ion scans can be used on tables or the interior of automobiles to determine whether narcotics or explosives have recently been in contact with the surface.
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