About: http://webisa.webdatacommons.org/297057736

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	The opening 420 is formed in a handling portion 428 that is preferably constructed of a generally rigid or semi-rigid material, such as plastic or metal, to facilitate handling of the sample vessel 416.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com