About: http://webisa.webdatacommons.org/342626934

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	It is important to use clean water for doing this test, since water from the process line with surfactant or other chemicals can lower the surface tension of the water such that it looks like it is producing a water-break free surface.
http://www.w3.org/ns/prov#wasQuotedFrom	pfonline.com