About: http://webisa.webdatacommons.org/43708462

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	A diaphragm pump is preferable, as there are no moving parts such as gears to shed contaminants into the ink supply stream.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com