About: http://webisa.webdatacommons.org/176361380

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	For instance, one of the biggest drawbacks of the incumbent technology is the intensive maintenance demanded by the complex arrangement of pumps, motors and control systems required to accelerate and then brake the catapult.
http://www.w3.org/ns/prov#wasQuotedFrom	theengineer.co.uk