About: http://webisa.webdatacommons.org/355335058

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	In contrast, BPA, a BPA derivative and a mixture thereof are particularly effective when W or a W alloy is employed as the material containing a metal as a main component.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com