About: http://webisa.webdatacommons.org/366532493

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	FIG. 8 is a vertical cross-section through the assembled sprinkler head apparatus, showing the check valve in the open position;
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca