About: http://webisa.webdatacommons.org/171869754

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	This ratio is particularly difficult to maintain when the materials are supplied to a dispenser which is intermittent in operation, i.e., which is repeatedly turned on and off.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com