About: http://webisa.webdatacommons.org/250820641

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	us, although not essential, the chamber may then be partially or completely filled with water, particularly if it seems likely that flooding will take place following an initial warning.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com