About: http://webisa.webdatacommons.org/325477648

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	Some of the rare materials we currently use are considered dangerous to the environment and reducing metals such as iridium can prevent accumulation of dangerous waste at dump sites.
http://www.w3.org/ns/prov#wasQuotedFrom	todaysseniors.com