About: http://webisa.webdatacommons.org/13725152

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	These two portions are made of a rigid material, such as a rigid plastic material, and, as this is clearly shown in FIG. 3, are provided with a plurality of adjustment perforations that will be explained more closely below.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com