About: http://webisa.webdatacommons.org/65561688

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	The ones that have a central bolt usually have locating rods or other devices.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com