About: http://webisa.webdatacommons.org/201403057

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	Even desirable materials, such as aluminum or stainless steel, should be sufficiently cleaned and heated beforehand to drive off entrapped gas molecules.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com