About: http://webisa.webdatacommons.org/317208218

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 various embodiments, the first layer 20 a or upper region of the plug base 14 has substantially the same (less than 5% difference) or the same cross section as the articulation layer 12, as depicted for example in FIG. 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com