About: http://webisa.webdatacommons.org/229309930

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	Manometers are usually made of a transparent U-shaped tube and are partially filled with a liquid such as water, mercury or oil.
http://www.w3.org/ns/prov#wasQuotedFrom	globalspec.com