About: http://webisa.webdatacommons.org/193363133

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	Therefore, a material having some flexibility, for example a sheet or disk made of polymer or thin metal is preferable as the substrate material for the master information carrier.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr