About: http://webisa.webdatacommons.org/281622490

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	The horizontal support rods are preferably a rigid material, including, without limitation, a metal, a rigid polymer, or wood or other material, allall being useful for the desired operation of the present invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com