About: http://webisa.webdatacommons.org/405850606

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 first is when you have a system with different types of sprinklers or drippers that each require different operating pressures.
http://www.w3.org/ns/prov#wasQuotedFrom	irrigationtutorials.com