About: http://webisa.webdatacommons.org/288376314

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	Like the first main beam 20 and the cross beams 90, the stiffener 40 may be formed of a comparatively strong material such as extruded aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr