About: http://webisa.webdatacommons.org/210251813

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	Alternatively, core layer 122 may be made of material other than foam rubber, such as a very high density polyurethane material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca