About: http://webisa.webdatacommons.org/30726913

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	Lock operations required over 1,000 electric motors, as all controls were electric. <br>Electric motors had already proven to be the most reliable form of power to drive the pumps and other equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	ieeeghn.org