About: http://webisa.webdatacommons.org/272137954

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	While cheaper builders' sand may contain salt, clay, and other particles, builders' sand that is more expensive tends to be free of any other additives.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com