About: http://webisa.webdatacommons.org/339906140

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	For embodiments such as shown in FIGS. 13A and 13B, grooves 136 and ridges 138 may be replaced by threads 174.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com