About: http://webisa.webdatacommons.org/77882398

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	To provide a method of removably attaching shaft segments whereby shafts can pass through a material whereby portions of the shaft can be inside a structure and other portions of the same shaft can be outside the structure. 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com