About: http://webisa.webdatacommons.org/320707767

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	Each of the wafers is made of an appropriate material, such as plastics or silicon for the upper and lower wafers and silicon for the central wafer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com