About: http://webisa.webdatacommons.org/421701798

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	In a preferred embodiment, bottom body member, top body member, or combination thereof, are constructed from steel or other ferrous metal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com