About: http://webisa.webdatacommons.org/329185127

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	Suitable grooves, ridges, bosses, or other retaining means may be provided in opening 450 if desired.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com