About: http://webisa.webdatacommons.org/90078467

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 addition, alignment of the shaft to the tipping device and axis of the powerhouse crane hook was a time-consuming process that had to be accurate for the shafts to tip correctly and safety.
http://www.w3.org/ns/prov#wasQuotedFrom	hydroworld.com