About: http://webisa.webdatacommons.org/42678251

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	Lightweight aggregates, such as expanded clay and expanded shale, are preferred because of their low specific gravity, which makes a lightweight final product.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com