About: http://webisa.webdatacommons.org/67914134

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 cover is preferably of a transparent material such as polycarbonate, polyvinyl chloride (pvc), fluoropolymers (such as Tedlar), acrylic, or other plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es