<http://webisa.webdatacommons.org/prov/442054861> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/442878527> . <http://webisa.webdatacommons.org/prov/430856937> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/442878527> . <http://webisa.webdatacommons.org/442878527> <http://www.w3.org/ns/prov#wasQuotedFrom> <centreforaviation.com> . <http://webisa.webdatacommons.org/442878527> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/30287314> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/442878527> . <http://webisa.webdatacommons.org/442878527> <http://www.w3.org/ns/prov#value> "But as a result of Iran's agreement in Nov-2013 to suspend nuclear activities, several countries including the US and France and Germany have agreed to a temporary 6 month suspension of restrictions on sale of spare parts for aircraft and engines, in order to help improve safety levels." .