About: http://webisa.webdatacommons.org/403419367

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	Conventional couplers 28 and 30 and conventional sealing members such as gaskets and washers (not shown in the figure for simplicity) are used to connect the first valve 26 to water pipe 24 in a sealed manner.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com