About: http://webisa.webdatacommons.org/13284290

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	As an alternative, pressurization structures 12 may be formed from a material, such as a ferrous material, that is attracted to the magnetic field generated by the electromagnets of their corresponding actuators 14.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr