About: http://webisa.webdatacommons.org/151791196

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	In particular, the upper and lower portions are not made of a relatively flexible material such as rubber or silicone.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr