About: http://webisa.webdatacommons.org/308945829

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	The relatively rigid structure illustrated by FIGURE 4 may be formed of such low-density materials as aluminum and magnesium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com