About: http://webisa.webdatacommons.org/176837366

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	In this case, a hygroscopic agent such as barium oxide or an antioxidant is preferably disposed inside the covering material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au