About: http://webisa.webdatacommons.org/291044615

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	One or both the ends of said device being composed of a stopper such as rubber or other useful material that is easily pierceable by a hollow needle for filling or discharging.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com