About: http://webisa.webdatacommons.org/326027816

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	Mineral wool is made from both iron ore blast-furnace slag (an industrial waste product from steel production) and rock such as basalt.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com