About: http://webisa.webdatacommons.org/43467259

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	Dirt film chemically bonded to the surface (oxides, salts and salt-like compounds, including rust and corrosion products) is another problem faced by engineers.
http://www.w3.org/ns/prov#wasQuotedFrom	feedburner.com