About: http://webisa.webdatacommons.org/368039728

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	The materials that best meet these requirements include metals and their alloys, in particular aluminum, steel, titanium, and nickel-chromium alloys, and silicon, ceramics and glasses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com