About: http://webisa.webdatacommons.org/89599770

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 most chemically active of the metals used in the aircraft construction and is, therefore, the most difficult to protect.
http://www.w3.org/ns/prov#wasQuotedFrom	1st-coating.com