About: http://webisa.webdatacommons.org/340190820

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	Top and bottom members 20???22 may be constructed of materials such as wood, plastic, fiberglass, or aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au