About: http://webisa.webdatacommons.org/272272993

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	Then I showed them how fiberglass insulation is made from sand and glass that is melted and formed into glass fibers and finally, the various types of insulation, including fiberglass batts, blown insulation, and spray foam insulation.
http://www.w3.org/ns/prov#wasQuotedFrom	certainteed.com