About: http://webisa.webdatacommons.org/57108160

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	As the pesticide or other material is transferred from the reservoir, the syringe piston will move to maintain a constant and predictable system pressure without the introduction of air to the liquid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk