About: http://webisa.webdatacommons.org/81874955

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 some embodiments, other materials may be used, such as molybdenum, cobalt, silver, or alloys thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com