About: http://webisa.webdatacommons.org/287318747

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 frame members 20 may be made of extruded aluminum or polymer, pultruded polymer, wood or other rigid material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com