About: http://webisa.webdatacommons.org/394473938

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	Beryllium is an expensive and toxic material but has found some use in space applications such as mirrors, because the thermal expansion of this material is low.
http://www.w3.org/ns/prov#wasQuotedFrom	pfonline.com