About: http://webisa.webdatacommons.org/177295090

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	Since, normally, the background is preferably white, the pigment is selected from among such materials as titanium oxide, silica, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com