PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It requires containing the pipe under test by closing valves or disconnecting and capping pipe, adding a gauge or other measuring device, and pressurizing the pipe, perhaps with a bicycle tire pump???a gas pipe pressure testing gauge has an air valve for this purpose; I have not seen anything directly comparable for water pipes.
http://www.w3.org/ns/prov#wasQuotedFrom
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