About: http://webisa.webdatacommons.org/129243142

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	It is preferred that the substrate 3, if a circuit board, be a resin film, i.e., polymeric, board, but other types of substrates can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com