About: http://webisa.webdatacommons.org/128163540

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	Preferably all frame members are metal; however, they may be formed of any suitably strong and rigid material such as wood, plastic, or a composite material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com