About: http://webisa.webdatacommons.org/396570098

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 support can be of a plastic or rubber or other such compound which is compressible, rather than elastic members such as steel springs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com