About: http://webisa.webdatacommons.org/93039157

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	Si materials used in casting include trace elements such as Fe, C, P, Al and the like which improve the electrical conductivity of Si, and are preferable for the purpose of the present invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com