About: http://webisa.webdatacommons.org/256118876

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Taggant particles can be coated with aluminum, gold, chromium, nickel, and other metals to impart specific optical reflection spectra to them.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es