About: http://webisa.webdatacommons.org/272848773

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	This may be because of such factors as equipment failure or maintenance, shortages of feed material or changes in the economic variables of the process.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr