About: http://webisa.webdatacommons.org/454294772

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	Such systems are also not practical on a very large scale such as covering hundreds, if not thousands of hectares due to the high cost of the piping systems.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com