About: http://webisa.webdatacommons.org/188740527

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	Loss of vacuum pressure may be caused by imperfections in the mounting surface or the mounting seal 88 such as gaps or cracks that limit the effectiveness of the mounting seal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com