About: http://webisa.webdatacommons.org/295681127

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	Magnesium is the lightest metallic material used for structural applications with a density of 1.738???g/cm3 in comparison with the densities of Al (2.70???g/cm3) and Fe (7.86???g/cm3).
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com