About: http://webisa.webdatacommons.org/410045097

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	While in flight, the pair tested two kinds of devices, a vibro-sieve and a sifter.
http://www.w3.org/ns/prov#wasQuotedFrom	eurekalert.org