About: http://webisa.webdatacommons.org/55527866

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	The bottom layer 19 is preferably formed of a litho-destructible material, but may be formed of other material such as vinyl or foil destructible materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com